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 (
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 (
499:
1165:
The
American Directory of Writer's Guidelines: A Compilation of Information for Freelancers from More Than 1,300 Magazine Editors and Book Publishers
1228:
1113:
230:
1081:
1109:
1064:
934:
226:
1643:
1173:
904:
1221:
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
453:
422:
597:
547:
826:
687:
1214:
89:
472:
were officially accepted for use in isolation to denote the micrometre in 1879, but officially revoked by the
473:
258:
1245:
791:
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
45:
17:
951:
942:
821:
1051:
1206:
629:
38:
848:
705:
became commonplace, it was customary to render the symbol μ in texts produced with mechanical
695:
955:
368:
1117:
8:
495:
31:
959:
1148:
971:
702:
683:
337:
199:
1198:
1027:
979:
1169:
741:
975:
963:
796:
559:
509:
491:
246:
933:
Smith, D.J.; Gaffney, E.A.; Blake, J.R.; Kirkman-Brown, J.C. (25 February 2009).
900:
726:
1638:
996:
663:
341:
195:
967:
487:
became the official name of the unit, and μm became the official unit symbol.
1632:
1237:
1099:(Start at 1885; before that, the word "micron", singular or plural, was rare)
786:
781:
635:
165:
144:
75:
433:
393:
859:
1613:
1271:
1069:. Part I. Vol. XIX. H. Pole & Co. 1907 – via Google Books.
642:
469:
387:
329:
179:
1193:
691:
1603:
1593:
1583:
1504:
1414:
1379:
1321:
1301:
1291:
1281:
1255:
From smallest to largest (left to right). Commonly used units shown in
706:
667:
353:
333:
285:
52:
1563:
1553:
1543:
1533:
1514:
1494:
1449:
1341:
1331:
1311:
503:
381:
311:
1140:
1139:
Beeton, Barbara; Freytag, Asmus; Sargent, Murray III (30 May 2017).
1573:
1021:
745:
345:
1236:
646:
452:
For more examples of things measuring 10 to 100 micrometres, see
307:
816:
814:
812:
69:
1241:
733:
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
273:
254:
104:
932:
589:
583:
539:
1475:
809:
414:
400:
281:
268:
154:
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:
439:
410:
349:
299:
213:
1079:
527:
1054:, "Abrogation of earlier decisions (micron, new candle.)"
533:
406:
234:
94:
767:
709:
by combining a slightly lowered slash with the letter
598:
571:
548:
521:
352:
by the diameter of the fibres. The width of a single
51:"μm" redirects here. For the chemical unit "μM", see
1138:
1080:
586:
574:
536:
524:
480:, denoted μ, during the creation of the SI in 1960.
580:
565:
562:
530:
518:
512:
454:Orders of magnitude (length) § 10 micrometres
44:"Microscale" redirects here. For other uses, see
1630:
1161:
423:Orders of magnitude (length) § 1 micrometre
1110:"Prefixes of the International System of Units"
1014:
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
1114:International Bureau of Weights and Measures
231:International Bureau of Weights and Measures
871:NSW Department of Education and Communities
1229:
1215:
445:17 to 181 μm – diameter of human hair
249:), also commonly known by the non-SI term
1086:. Vol. 7–8 – via Google Books.
1024:of human hair ranges from 17 to 181 μm.
688:compatibility with legacy character sets
367:
27:Unit of length; one millionth of a metre
1026:Ley, Brian (1999). Elert, Glenn (ed.).
849:"Writing with SI (Metric System) Units"
802:
14:
1631:
448:70 to 180 μm – thickness of paper
392:5 μm – length of a typical human
78:above a 50 μm diameter human hair
1210:
459:
989:
907:from the original on 4 December 2008
1045:
1025:
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
24:
30:For the measuring instrument, see
25:
1655:
1186:
898:
386:3–8 μm – width of strand of
1192:
729:to substituting just the letter
558:
508:
356:ranges from approximately 20 to
68:
1155:
1132:
1102:
1090:
1073:
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"
1057:
926:
892:
841:
827:Encyclopædia Britannica Online
13:
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
7:
775:
768:
725:". This gave rise in early
363:
306:The nearest smaller common
46:Microscale (disambiguation)
10:
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:
623:
434:plastic wrap (cling wrap)
191:
161:
140:
136:
118:
110:
100:
88:
83:
67:
62:
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:
1207:
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:
59:
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:
1160:
1156:
1137:
1133:
1123:
1121:
1108:
1107:
1103:
1095:
1091:
1078:
1074:
1063:
1062:
1058:
1050:
1046:
1036:
1034:
1019:
1015:
1002:
1000:
995:
994:
990:
982:
937:
931:
927:
910:
908:
899:Ramel, Gordon.
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:
1647:
1646:
1641:
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:
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:
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:
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1528:
1525:
1519:
1518:
1512:
1509:
1502:
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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:
1177:
1171:
1167:
1166:
1158:
1151:. p. 11.
1150:
1146:
1142:
1135:
1119:
1115:
1111:
1105:
1098:
1093:
1085:
1084:
1076:
1068:
1067:
1060:
1053:
1048:
1033:
1029:
1023:
1017:
1010:
998:
992:
981:
977:
973:
969:
965:
961:
957:
953:
949:
945:
944:
936:
929:
922:
920:
906:
902:
901:"Spider Silk"
895:
876:
872:
868:
862:
854:
850:
844:
829:
828:
823:
817:
815:
813:
808:
798:
795:
793:
790:
788:
787:Metric system
785:
783:
782:Metric prefix
780:
779:
773:
770:
747:
743:
738:
728:
708:
704:
699:
697:
693:
689:
685:
669:
665:
648:
644:
640:
637:
631:
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:
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:
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:
122:
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
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