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单词 decimetre
释义

decimetredecimetern.

Brit. /ˈdɛsᵻˌmiːtə/, U.S. /ˈdɛsəˌmidər/
Forms:

α. 1700s– decimetre, 1800s– decimeter (now chiefly U.S.).

β. 1800s– decemeter (now rare), 1800s– decemetre (now rare).

Origin: A borrowing from French. Etymon: French décimètre.
Etymology: < French décimètre (1793) < déci- deci- comb. form + mètre metre n.2In β. forms probably partly by association with classical Latin decem ten (see decem- comb. form).
One tenth of a metre. Abbreviated dm.
ΘΚΠ
the world > relative properties > measurement > measurement of length > [noun] > units of length or distance > metre > the tenth part of a metre
decimetre1794
decim1810
1794 Monthly Rev. Mar. 324 (table) A Decimetre, or Palm.
1797 Jrnl. Nat. Philos. Aug. 197 A vessel of a cubical form, having for its side one decimetre,..has received the name of litre.
1800 Crit. Rev. Sept. 39 The prow is about seven decimeters more elevated than the poop.
1812 Eclectic Rev. June 597 They throw their body forwards, and rest on a staff, which is generally not more than three decemetres in length.
1849 Economist 29 Sept. 1095 A race of Ghilanes who possess the appendage of a tail about a decimetre in length.
1921 Jrnl. Ecol. 9 95 This formula is correct for areas of such different sizes as square decimetres, square metres and hectares.
1970 Bridgeport (Connecticut) Post 20 May 46/2 One liter equals the liquid water required to fill one cubic decimeter.
2013 J. Williams & J. Ryan in V. Farnsworth & Y. Solomon Reframing Educ. Res. xiv. 209 The ‘decimetre’ is not mentioned in the National Curriculum for England and was not known to some of the teachers.

Compounds

decimetre wave n. an electromagnetic wave with a wavelength between one decimetre and one metre, corresponding to a frequency between three gigahertz and 300 megahertz (in the ultra-high frequency range).
ΘΚΠ
the world > matter > physics > electromagnetic radiation > [noun] > wavelength
wavelength1915
decimetre wave1929
1929 Exper. Wireless Sept. 508/1 For purposes hitherto served by light-telephony, these ‘decimetre’ waves seem to possess important advantages.
1978 Neurosci. & Behavioral Physiol. 8 172 (heading) Selective action of decimetre waves on central brain structures.
2004 I. S. Robinson Measuring Oceans from Space ix. 409 Microwave backscatter is sensitive to the centimetre or decimetre waves in the spectral tail.
This entry has been updated (OED Third Edition, June 2015; most recently modified version published online March 2022).
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n.1794
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