nanometrenanometern.

Brit.

/ˈnanə(ʊ)ˌmiːtə/, U.S.

/ˈnænoʊˌmidər/

Forms: 1900s– nanometer (U.S.), 1900s– nanometre.

Origin: Formed within English, by compounding. Etymons: nano- comb. form, metre n.²

Etymology: < nano- comb. form + metre n.²

Chiefly Science.

One thousand-millionth of a metre. Abbreviated nm.

ΚΠ

1963 Calibration & Test Services (Nat. Bureau of Standards Misc. Publ. 250) 41 Transmittances of these disks at wavelengths from 365 to 390 nm (nanometer, 10⁻⁹ meter)..will also be determined on request.

1970 Sci. Jrnl. Feb. 49/3 Usually points closer than one nanometre (10⁻⁹m) can be separated with the electron microscope.

1988 Nature 15 Sept. 204/2 The grain-boundary region can interpose a layer a few nanometres thick.

1995 E. Regis Nano! iii. 54 He envisioned an aluminium foil that would be only a few nanometres thick—as little as fifteen nanometres, the width of a hundred or so average molecules.

2000 Sciences July 29/1 The biological motor that drives the flagellum is a rotor that turns inside a stator, or fixed outer ring, just thirty nanometers wide.

This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022).

单词	nanometre
释义	nanometrenanometern. Brit. /ˈnanə(ʊ)ˌmiːtə/, U.S. /ˈnænoʊˌmidər/ Forms: 1900s– nanometer (U.S.), 1900s– nanometre. Origin: Formed within English, by compounding. Etymons: nano- comb. form, metre n.² Etymology: < nano- comb. form + metre n.² Chiefly Science. One thousand-millionth of a metre. Abbreviated nm. ΚΠ 1963 Calibration & Test Services (Nat. Bureau of Standards Misc. Publ. 250) 41 Transmittances of these disks at wavelengths from 365 to 390 nm (nanometer, 10⁻⁹ meter)..will also be determined on request. 1970 Sci. Jrnl. Feb. 49/3 Usually points closer than one nanometre (10⁻⁹m) can be separated with the electron microscope. 1988 Nature 15 Sept. 204/2 The grain-boundary region can interpose a layer a few nanometres thick. 1995 E. Regis Nano! iii. 54 He envisioned an aluminium foil that would be only a few nanometres thick—as little as fifteen nanometres, the width of a hundred or so average molecules. 2000 Sciences July 29/1 The biological motor that drives the flagellum is a rotor that turns inside a stator, or fixed outer ring, just thirty nanometers wide. This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022). < n.1963
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