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单词 multi-coated
释义

multi-coatedadj.

Brit. /ˌmʌltɪˈkəʊtᵻd/, U.S. /ˌməltiˈkoʊdəd/; see also multi- comb. form.
Origin: Formed within English, by compounding. Etymons: multi- comb. form, coated adj.
Etymology: < multi- comb. form + coated adj. Compare earlier first-coated adj. at first adj., adv., and n.2 Compounds 1b(b), undercoated adj. at undercoat n. Derivatives.
Covered with more than one layer or coating of a substance; (Photography and Optics) designating optical lenses with several layers of anti-reflective coating.
ΘΚΠ
the world > space > relative position > condition of being external > covering > coating or covering with a layer > [adjective]
skinned1613
coated1768
multi-coated1962
1962 Science 16 Mar. 827/1 (advt.) System will drive polished and multicoated ruby rods with low threshold.
1971 National Geographic Nov. p. x The Asahi Pentax SMC Takumar lens is the world's first 7-layer multi-coated lens.
1986 Camera Weekly 15 Nov. 25/3 (advt.) Lenses... With multi-coated optics and a five year guarantee.
1991 Metalworking Production Sept. 61/3 Dijet's JC330 is a multi-coated conventional carbide, in which the hardmetal substrate is given a toughened surface layer before the coating layers..are applied.
This is a new entry (OED Third Edition, March 2003; most recently modified version published online March 2022).
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adj.1962
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