submicronn.adj.

Brit.

/sʌbˈmʌɪkrɒn/, U.S.

/ˌsəbˈmaɪkrɑn/

Origin: Formed within English, by derivation. Etymons: sub- prefix, micron n.

Etymology: < sub- prefix + micron n.

A. n.

1. A particle less than a micron in size.

ΚΠ

1906 Science 21 Sept. 373/2 Sub-microns of gold with linear dimensions of 30 μμ.

1924 Brit. Med. Jrnl. 9 Feb. 233/2 A rough count shows that the collosol ferrum solution contains about 2 × 10¹⁰ submicrons per cubic centimetre.

1980 Surface Sci. 97 l364 Formation of a depletion layer of copper submicrons deep beneath the altered layer.

2. A measure of length equal to one tenth of a micron (1 × 10⁻⁷ metre).

ΘΚΠ

the world > relative properties > measurement > measurement of length > [noun] > the measure of length > specific

London measure1647

quincupedal1656

sextula1656

Paris point1781

rack1831

angstrom1881

submicron1927

1927 Proc. Amer. Philos. Soc. 66 33 A liter of colloidal gold solution of 0.5 gm., in which each particle has a diameter of 15 sub-microns.

1953 Diesel Power Feb. 20/1 (advt.) The Purolator Micronic filter stops particles down to submicrons—.0000039 in.!

2001 P. J. Cattermole Mars: Myst. Unfolds iv. 39/1 Dust of a range of non-spherical particle sizes (radii from submicrons to tens of microns) is entrained in the atmosphere.

B. adj.

Less than a micron in size or length; relating to or involving such a size.

ΚΠ

1916 Proc. Royal Soc. A. 92 363 The whole of the ultramicroscopic particles in copper ferrocyanide sol are in the submicron range.

1949 Sci. Monthly Oct. 217/2 Very fine particulate matter of submicron size.

1964 New Scientist 18 June 768/1 (advt.) The fundamental physics of submicron particles and applications to reactor operations.

2005 P. W. Huber & M. P. Mills Bottomless Well (2006) viii. 132 The finely etched electrical connections and transistor features must be aligned to submicron levels of precision.

This is a new entry (OED Third Edition, June 2012; most recently modified version published online March 2022).

单词	submicron
释义	submicronn.adj. Brit. /sʌbˈmʌɪkrɒn/, U.S. /ˌsəbˈmaɪkrɑn/ Origin: Formed within English, by derivation. Etymons: sub- prefix, micron n. Etymology: < sub- prefix + micron n. A. n. 1. A particle less than a micron in size. ΚΠ 1906 Science 21 Sept. 373/2 Sub-microns of gold with linear dimensions of 30 μμ. 1924 Brit. Med. Jrnl. 9 Feb. 233/2 A rough count shows that the collosol ferrum solution contains about 2 × 10¹⁰ submicrons per cubic centimetre. 1980 Surface Sci. 97 l364 Formation of a depletion layer of copper submicrons deep beneath the altered layer. 2. A measure of length equal to one tenth of a micron (1 × 10⁻⁷ metre). ΘΚΠ the world > relative properties > measurement > measurement of length > [noun] > the measure of length > specific London measure1647 quincupedal1656 sextula1656 Paris point1781 rack1831 angstrom1881 submicron1927 1927 Proc. Amer. Philos. Soc. 66 33 A liter of colloidal gold solution of 0.5 gm., in which each particle has a diameter of 15 sub-microns. 1953 Diesel Power Feb. 20/1 (advt.) The Purolator Micronic filter stops particles down to submicrons—.0000039 in.! 2001 P. J. Cattermole Mars: Myst. Unfolds iv. 39/1 Dust of a range of non-spherical particle sizes (radii from submicrons to tens of microns) is entrained in the atmosphere. B. adj. Less than a micron in size or length; relating to or involving such a size. ΚΠ 1916 Proc. Royal Soc. A. 92 363 The whole of the ultramicroscopic particles in copper ferrocyanide sol are in the submicron range. 1949 Sci. Monthly Oct. 217/2 Very fine particulate matter of submicron size. 1964 New Scientist 18 June 768/1 (advt.) The fundamental physics of submicron particles and applications to reactor operations. 2005 P. W. Huber & M. P. Mills Bottomless Well (2006) viii. 132 The finely etched electrical connections and transistor features must be aligned to submicron levels of precision. This is a new entry (OED Third Edition, June 2012; most recently modified version published online March 2022). < n.adj.1906
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