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单词 achromatize
释义

achromatizev.

Brit. /əˈkrəʊmətʌɪz/, /(ˌ)eɪˈkrəʊmətʌɪz/, U.S. /eɪˈkroʊməˌtaɪz/, /æˈkroʊməˌtaɪz/
Forms: 1800s– achromatise, 1800s– achromatize.
Origin: Formed within English, by derivation. Etymons: achromatic adj., -ize suffix.
Etymology: < achromat- (in achromatic adj.) + -ize suffix. Compare French achromatiser (1816).
transitive. To make (something, esp. a lens) achromatic.
ΘΚΠ
the world > matter > colour > state or mode of having colour > absence of colour > lose colour [verb (transitive)] > deprive of colour
distainc1385
undye14..
stain1477
fade1598
discolourize1825
achromatizea1830
decolorize1836
throw?1845
a1830 Encycl. Metrop. (1845) IV. 423 If we can achromatise each elementary prism, the whole system is achromatic.
1872 J. D. Everett Deschanel's Elem. Treat. Nat. Philos. IV. lxii. 996 Two prisms..will achromatize one another if..the product of deviation by dispersive power is the same for both.
1931 Proc. Royal Soc. A. 133 30 Systematic errors arising from..a lens-system which had been achromatised for two wave-lengths only.
1998 Microelectronic Engin. 41 76 Methods of achromatizing the lens with some CaF2 to accept a larger bandwidth.
This entry has been updated (OED Third Edition, September 2009; most recently modified version published online December 2021).
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