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Micrometre

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369: 1194: 70: 1096: 866: 1163: 874: 556:), whereas the systematic pronunciation of the unit name, in accordance with the convention for pronouncing SI units in English, places the stress on the first syllable ( 499: 1228: 506:
of the device's name. In spoken English, they may be distinguished by pronunciation, as the name of the measuring device is often stressed on the second syllable (
1113: 230: 1165:
The American Directory of Writer's Guidelines: A Compilation of Information for Freelancers from More Than 1,300 Magazine Editors and Book Publishers
226: 1643: 1173: 1221: 1081: 1109: 1064: 597: 547: 826: 934: 687: 1214: 89: 904: 476:(SI) in 1967. This became necessary because the older usage was incompatible with the official adoption of the unit prefix 917:
A typical strand of garden spider silk has a diameter of about 0.003 mm ... Dragline silk (about .00032 inch (.008 mm) in
473: 258: 1245: 791: 453: 422: 45: 951: 942: 368: 472:
were officially accepted for use in isolation to denote the micrometre in 1879, but officially revoked by the
38: 314:, equivalent to one thousandth of a micrometre, one millionth of a millimetre or one billionth of a metre ( 686:, the Greek letter character is preferred, but implementations must recognize the micro sign as well for 695: 955: 821: 495: 31: 1051: 1206: 1148: 971: 702: 683: 337: 199: 1169: 848: 741: 705:
became commonplace, it was customary to render the symbol μ in texts produced with mechanical
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Smith, D.J.; Gaffney, E.A.; Blake, J.R.; Kirkman-Brown, J.C. (25 February 2009).
900: 1613: 1271: 642: 469: 387: 329: 179: 996: 1603: 1593: 1583: 1504: 1414: 1379: 1321: 1301: 1291: 1281: 967: 706: 667: 487:
became the official name of the unit, and μm became the official unit symbol.
353: 333: 285: 52: 1099:(Start at 1885; before that, the word "micron", singular or plural, was rare) 1563: 1553: 1543: 1533: 1514: 1494: 1449: 1341: 1331: 1311: 503: 381: 311: 69: 17: 1573: 1069:. Part I. Vol. XIX. H. Pole & Co. 1907 – via Google Books. 1021: 745: 345: 1255:
From smallest to largest (left to right). Commonly used units shown in
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Beeton, Barbara; Freytag, Asmus; Sargent, Murray III (30 May 2017).
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For more examples of things measuring 10 to 100 micrometres, see
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for the symbol if the Greek letter μ was not available, as in "
421:
For more examples of things measuring 1 to 10 micrometres, see
589: 583: 539: 406: 935:"Human sperm accumulation near surfaces: a simulation study" 498:, a measuring device, because the unit's name in mainstream 494:, the use of "micron" helps differentiate the unit from the 577: 568: 515: 234: 94: 527: 1054:, "Abrogation of earlier decisions (micron, new candle.)" 533: 767: 709:
by combining a slightly lowered slash with the letter
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by the diameter of the fibres. The width of a single
51:"μm" redirects here. For the chemical unit "μM", see 1080:
Bigalow, Edward Fuller; Agassiz Association (1905).
586: 574: 536: 524: 480:, denoted μ, during the creation of the SI in 1960. 580: 565: 562: 530: 518: 512: 191: 161: 140: 118: 110: 100: 88: 83: 62: 454:Orders of magnitude (length) § 10 micrometres 44:"Microscale" redirects here. For other uses, see 423:Orders of magnitude (length) § 1 micrometre 1110:"Prefixes of the International System of Units" 630:Micro- § Symbol encoding in character sets 1168:(2 ed.). Quill Driver Books. p. 47. 1066:Proceedings of the Royal Society of Queensland 762: 1222: 1052:BIPM - Resolution 7 of the 13th CGPM 1967/68) 999:. IST - Innovative Sintering Technologies Ltd 744:block contains square forms of some Japanese 713:. For example, "15 μm" would appear as " 37:"Micron" redirects here. For other uses, see 8: 1114:International Bureau of Weights and Measures 231:International Bureau of Weights and Measures 871:NSW Department of Education and Communities 1229: 1215: 1207: 445:17 to 181 μm – diameter of human hair 249:), also commonly known by the non-SI term 59: 1086:. Vol. 7–8 – via Google Books. 1024:of human hair ranges from 17 to 181 μm. 688:compatibility with legacy character sets 27:Unit of length; one millionth of a metre 1026:Ley, Brian (1999). Elert, Glenn (ed.). 849:"Writing with SI (Metric System) Units" 808: 448:70 to 180 μm – thickness of paper 392:5 μm – length of a typical human 78:above a 50 μm diameter human hair 7: 907:from the original on 4 December 2008 620:was occasionally used before 1950. 432:about 10–12 μm – thickness of 380:1–10 μm – length of a typical 328:The micrometre is a common unit of 30:For the measuring instrument, see 25: 386:3–8 μm – width of strand of 122: 1192: 729:to substituting just the letter 558: 508: 356:ranges from approximately 20 to 68: 483:In the SI, the systematic name 340:as well as sizes of biological 280:); that is, one millionth of a 1162:John C. Mutchler, ed. (1999). 1141:"Unicode Technical Report #25" 827:Encyclopædia Britannica Online 1: 1197:The dictionary definition of 1009:Histogram of Fiber Thickness 474:International System of Units 405:about 10 μm – size of a 259:International System of Units 1644:Orders of magnitude (length) 792:Orders of magnitude (length) 748:measure and currency units. 634:The official symbol for the 438:10 to 55 μm – width of 768: 725:". This gave rise in early 306:The nearest smaller common 46:Microscale (disambiguation) 1660: 1028:"Diameter of a human hair" 952:Cambridge University Press 943:Journal of Fluid Mechanics 690:. Most fonts use the same 627: 451: 428:Between 10 μm and 100 μm: 420: 50: 43: 36: 29: 1266: 1253: 1145:Unicode Technical Reports 997:"Fibreshape applications" 968:10.1017/S0022112008004953 763: 434:plastic wrap (cling wrap) 136: 67: 878:(Word Document download) 376:Between 1 μm and 10 μm: 372:How big is 1 micrometre? 284:(or one thousandth of a 1322:femtometre/fermi  39:Micron (disambiguation) 373: 680:GREEK SMALL LETTER MU 371: 272:(SI standard prefix " 74:A 6 μm diameter 1032:The Physics Factbook 803:Notes and references 666:, distinct from the 227:Commonwealth English 1097:10 micra/10 microns 985:on 6 November 2013. 960:2009JFM...621..289S 682:. According to the 131:... is equal to ... 84:General information 32:Micrometer (device) 1614:quettametre  1272:quectometre  1246:order of magnitude 1149:Unicode Consortium 855:. 13 January 2010. 703:desktop publishing 684:Unicode Consortium 643:Greek lowercase mu 460:SI standardization 374: 348:, and for grading 338:infrared radiation 206:    193:    171:    163:    150:    142:    1626: 1625: 1604:ronnametre  1594:yottametre  1584:zettametre  1505:hectometre  1302:zeptometre  1292:yoctometre  1282:rontometre  1175:978-1-884956-08-9 742:CJK Compatibility 500:American spelling 219: 218: 119:Conversions 16:(Redirected from 1651: 1619: 1617: 1609: 1607: 1599: 1597: 1589: 1587: 1579: 1577: 1569: 1567: 1564:petametre  1559: 1557: 1554:terametre  1549: 1547: 1544:gigametre  1539: 1537: 1534:megametre  1529: 1527: 1510: 1508: 1507:(hm=100 m) 1500: 1498: 1497:(dam=10 m) 1495:decametre  1490: 1488: 1471: 1469: 1467: 1465: 1464: 1461: 1458: 1450:decimetre  1445: 1443: 1441: 1439: 1438: 1435: 1432: 1410: 1408: 1406: 1404: 1403: 1400: 1397: 1375: 1373: 1356: 1354: 1337: 1335: 1332:picometre  1327: 1325: 1317: 1315: 1312:attometre  1307: 1305: 1297: 1295: 1287: 1285: 1277: 1275: 1231: 1224: 1217: 1208: 1196: 1180: 1179: 1159: 1153: 1152: 1136: 1130: 1129: 1127: 1125: 1116:. Archived from 1106: 1100: 1094: 1088: 1087: 1077: 1071: 1070: 1061: 1055: 1049: 1043: 1042: 1040: 1038: 1018: 1012: 1011: 1006: 1004: 993: 987: 986: 984: 978:. Archived from 939: 930: 924: 923: 914: 912: 896: 890: 889: 887: 885: 879: 873:. Archived from 863: 857: 856: 845: 839: 838: 836: 834: 818: 797:Wool measurement 771: 766: 765: 760: 757: 754: 752: 736: 732: 724: 722: 720: 712: 681: 678: 675: 673: 661: 658: 655: 653: 601: 596: 595: 592: 591: 588: 585: 582: 579: 576: 573: 570: 567: 564: 552: 546: 545: 542: 541: 538: 535: 532: 529: 526: 523: 520: 517: 514: 492:American English 399:10 μm – size of 359: 324: 322: 319: 302: 297: 291: 279: 271: 266: 247:American English 211: 207: 194: 187: 177: 172: 164: 157: 151: 143: 72: 60: 21: 1659: 1658: 1654: 1653: 1652: 1650: 1649: 1648: 1629: 1628: 1627: 1622: 1616:(Qm=10 m) 1615: 1612: 1605: 1602: 1595: 1592: 1585: 1582: 1575: 1574:exametre  1572: 1565: 1562: 1555: 1552: 1545: 1542: 1536:(Mm=10 m) 1535: 1532: 1521: 1513: 1506: 1503: 1496: 1493: 1482: 1474: 1462: 1459: 1456: 1455: 1453: 1451: 1448: 1436: 1433: 1430: 1429: 1427: 1421: 1413: 1401: 1398: 1395: 1394: 1392: 1386: 1378: 1367: 1359: 1348: 1340: 1333: 1330: 1323: 1320: 1313: 1310: 1303: 1300: 1293: 1290: 1283: 1280: 1274:(qm=10 m) 1273: 1270: 1262: 1249: 1235: 1189: 1184: 1183: 1176: 1161: 1160: 1156: 1138: 1137: 1133: 1123: 1121: 1108: 1107: 1103: 1095: 1091: 1079: 1078: 1074: 1063: 1062: 1058: 1050: 1046: 1036: 1034: 1025: 1019: 1015: 1002: 1000: 995: 994: 990: 982: 937: 932: 931: 927: 910: 908: 899:Ramel, Gordon. 898: 897: 893: 883: 881: 880:on 17 June 2016 877: 865: 864: 860: 847: 846: 842: 832: 830: 820: 819: 810: 805: 778: 761:corresponds to 758: 755: 750: 749: 734: 730: 727:word processing 721: 718: 716: 714: 710: 679: 676: 671: 670: 659: 656: 651: 650: 632: 626: 599: 561: 557: 550: 511: 507: 462: 457: 426: 388:spider web silk 366: 357: 320: 317: 315: 295: 293: 289: 277: 264: 262: 261:(SI) equalling 253:, is a unit of 229:as used by the 209: 205: 192: 185: 175: 173: 170: 162: 152: 149: 141: 79: 76:carbon filament 56: 49: 42: 35: 28: 23: 22: 15: 12: 11: 5: 1657: 1655: 1647: 1646: 1641: 1631: 1630: 1624: 1623: 1621: 1620: 1610: 1600: 1590: 1580: 1570: 1560: 1550: 1540: 1530: 1526:=1000 m) 1511: 1501: 1491: 1472: 1446: 1411: 1376: 1366:/micron  1357: 1338: 1328: 1318: 1308: 1298: 1288: 1278: 1267: 1264: 1263: 1254: 1251: 1250: 1236: 1234: 1233: 1226: 1219: 1211: 1205: 1204: 1188: 1187:External links 1185: 1182: 1181: 1174: 1154: 1131: 1120:on 23 May 2018 1101: 1089: 1072: 1056: 1044: 1013: 988: 925: 891: 858: 840: 807: 806: 804: 801: 800: 799: 794: 789: 784: 777: 774: 759:SQUARE MIKURON 717: 664:ISO/IEC 8859-1 649:has inherited 625: 622: 608:The plural of 461: 458: 450: 449: 446: 443: 436: 419: 418: 403: 397: 390: 384: 365: 362: 217: 216: 203: 189: 188: 183: 168: 159: 158: 147: 138: 137: 134: 133: 128: 121: 120: 116: 115: 112: 108: 107: 102: 98: 97: 92: 86: 85: 81: 80: 73: 65: 64: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 1656: 1645: 1642: 1640: 1637: 1636: 1634: 1618: 1611: 1608: 1601: 1598: 1591: 1588: 1581: 1578: 1571: 1568: 1561: 1558: 1551: 1548: 1541: 1538: 1531: 1528: 1525: 1519: 1518: 1512: 1509: 1502: 1499: 1492: 1489: 1486: 1480: 1479: 1473: 1470: 1447: 1444: 1425: 1419: 1418: 1412: 1409: 1390: 1384: 1383: 1377: 1374: 1371: 1365: 1364: 1358: 1355: 1352: 1346: 1345: 1339: 1336: 1329: 1326: 1319: 1316: 1309: 1306: 1299: 1296: 1289: 1286: 1279: 1276: 1269: 1268: 1265: 1260: 1259: 1252: 1247: 1243: 1239: 1232: 1227: 1225: 1220: 1218: 1213: 1212: 1209: 1203:at Wiktionary 1202: 1201: 1195: 1191: 1190: 1186: 1177: 1171: 1167: 1166: 1158: 1155: 1151:. p. 11. 1150: 1146: 1142: 1135: 1132: 1119: 1115: 1111: 1105: 1102: 1098: 1093: 1090: 1085: 1084: 1076: 1073: 1068: 1067: 1060: 1057: 1053: 1048: 1045: 1033: 1029: 1023: 1017: 1014: 1010: 998: 992: 989: 981: 977: 973: 969: 965: 961: 957: 953: 949: 945: 944: 936: 929: 926: 922: 920: 906: 902: 901:"Spider Silk" 895: 892: 876: 872: 868: 862: 859: 854: 850: 844: 841: 829: 828: 823: 817: 815: 813: 809: 802: 798: 795: 793: 790: 788: 787:Metric system 785: 783: 782:Metric prefix 780: 779: 775: 773: 770: 747: 743: 738: 728: 708: 704: 699: 697: 693: 689: 685: 669: 665: 648: 644: 640: 637: 631: 623: 621: 619: 615: 611: 606: 604: 603: 602:-kroh-meet-ər 594: 555: 554: 544: 505: 501: 497: 493: 488: 486: 481: 479: 475: 471: 467: 459: 455: 447: 444: 441: 437: 435: 431: 430: 429: 424: 417:water droplet 416: 412: 408: 404: 402: 401:fungal hyphae 398: 395: 391: 389: 385: 383: 379: 378: 377: 370: 363: 361: 355: 351: 347: 343: 339: 335: 331: 326: 313: 309: 304: 301: 290:0.001 mm 287: 283: 275: 270: 260: 256: 252: 248: 244: 240: 236: 232: 228: 224: 215: 204: 201: 197: 190: 186: 182: 169: 167: 166:Natural units 160: 156: 148: 146: 145:SI base units 139: 135: 132: 129: 127: 123: 117: 113: 109: 106: 103: 99: 96: 93: 91: 87: 82: 77: 71: 66: 61: 58: 54: 47: 40: 33: 19: 1523: 1516: 1515: 1484: 1477: 1476: 1423: 1416: 1415: 1388: 1381: 1380: 1372:=10 m) 1369: 1362: 1361: 1360: 1353:=10 m) 1350: 1343: 1342: 1258:bold italics 1257: 1256: 1199: 1164: 1157: 1144: 1134: 1122:. Retrieved 1118:the original 1104: 1092: 1083:The Observer 1082: 1075: 1065: 1059: 1047: 1035:. Retrieved 1031: 1016: 1008: 1001:. Retrieved 991: 980:the original 947: 941: 928: 918: 916: 909:. Retrieved 894: 882:. Retrieved 875:the original 870: 867:"Wool Fibre" 861: 852: 843: 831:. Retrieved 825: 822:"micrometre" 740:The Unicode 739: 700: 694:for the two 638: 633: 617: 613: 612:is normally 609: 607: 489: 484: 482: 477: 470:the symbol μ 465: 463: 427: 394:spermatozoon 375: 327: 305: 250: 242: 238: 222: 220: 180: 130: 125: 101:Unit of 57: 911:14 December 707:typewriters 358:200 μm 334:wavelengths 330:measurement 292:, or about 202: units 90:Unit system 18:Micrometres 1633:Categories 1417:centimetre 1382:millimetre 1363:micrometre 1200:micrometre 1037:8 December 1003:4 December 735:15 um 696:characters 668:code point 660:MICRO SIGN 628:See also: 496:micrometer 485:micrometre 354:human hair 286:millimetre 243:micrometer 223:micrometre 124:1 μm 63:micrometre 53:Micromolar 1517:kilometre 1468: m) 1442: m) 1407: m) 1344:nanometre 1240:units of 636:SI prefix 616:, though 504:homograph 464:The term 382:bacterium 312:nanometre 1022:diameter 905:Archived 776:See also 756:㍈ 746:katakana 364:Examples 346:bacteria 267:10  237:symbol: 212:10  196:imperial 178:10  153:10  1520:  1466:⁠ 1454:⁠ 1440:⁠ 1428:⁠ 1420:  1405:⁠ 1393:⁠ 1385:  1347:  976:3942426 956:Bibcode 954:: 295. 919:Nephila 769:mikuron 701:Before 677:μ 647:Unicode 614:microns 396:'s head 323: m 310:is the 308:SI unit 257:in the 1481:  1242:length 1238:Metric 1172:  974:  884:18 May 833:18 May 753: 751:U+3348 674: 672:U+03BC 657:µ 654: 652:U+00B5 639:micro- 624:Symbol 610:micron 553:-it-ər 478:micro- 466:micron 298:  274:micro- 255:length 251:micron 208:3.9370 174:1.8897 126:in ... 111:Symbol 105:length 1639:Metre 1478:metre 1124:9 May 983:(PDF) 972:S2CID 938:(PDF) 692:glyph 662:from 641:is a 618:micra 502:is a 442:fibre 415:cloud 413:, or 342:cells 316:0.000 294:0.000 282:metre 269:metre 241:) or 1606:(Rm) 1596:(Ym) 1586:(Zm) 1576:(Em) 1566:(Pm) 1556:(Tm) 1546:(Gm) 1452:(dm= 1402:1000 1334:(pm) 1324:(fm) 1314:(am) 1304:(zm) 1294:(ym) 1284:(rm) 1244:(by 1170:ISBN 1126:2016 1039:2018 1020:The 1005:2008 913:2008 886:2014 853:NIST 835:2014 764:ミクロン 551:KROM 468:and 440:wool 411:mist 350:wool 344:and 332:for 300:inch 276:" = 221:The 1437:100 964:doi 948:621 737:". 605:). 549:my- 490:In 407:fog 336:of 325:). 321:001 318:000 303:). 1635:: 1524:km 1463:10 1424:cm 1389:mm 1370:μm 1351:nm 1147:. 1143:. 1112:. 1030:. 1007:. 970:. 962:. 950:. 946:. 940:. 915:. 903:. 869:. 851:. 824:. 811:^ 772:. 723:um 715:15 698:. 645:. 600:MY 590:ər 584:iː 578:oʊ 569:aɪ 540:ər 516:aɪ 409:, 360:. 296:04 288:, 278:10 239:μm 235:SI 233:; 214:in 200:US 114:μm 95:SI 1522:( 1487:) 1485:m 1483:( 1460:/ 1457:1 1434:/ 1431:1 1426:= 1422:( 1399:/ 1396:1 1391:= 1387:( 1368:( 1349:( 1261:. 1248:) 1230:e 1223:t 1216:v 1178:. 1128:. 1041:. 966:: 958:: 921:) 888:. 837:. 731:u 719:/ 711:u 593:/ 587:t 581:m 575:r 572:k 566:m 563:ˈ 560:/ 543:/ 537:t 534:ɪ 531:m 528:ɒ 525:r 522:k 519:ˈ 513:m 510:/ 456:. 425:. 265:× 263:1 245:( 225:( 210:× 198:/ 184:0 181:a 176:× 155:m 55:. 48:. 41:. 34:. 20:)

Index

Micrometres
Micrometer (device)
Micron (disambiguation)
Microscale (disambiguation)
Micromolar

carbon filament
Unit system
SI
length
SI base units
m
Natural units
a0
imperial
US
in
Commonwealth English
International Bureau of Weights and Measures
SI
American English
length
International System of Units
metre
micro-
metre
millimetre
inch
SI unit
nanometre

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