英语词汇“screw collar”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

screw collar

screw collar n. a ring or band with a screw thread by which a light bulb or other device may be secured to a fitting.

ΚΠ

1817 Philos. Trans. (Royal Soc.) 107 189 Another tin cylinder..with a similar screw collar at top, forms a case for protecting the bulb when screwed to the under side.

1854 B. Powell Pereira's Lect. Polarized Light (ed. 2) 301 By means of a screw-collar he managed to vary the distance between the first and second compound lens.

2015 Denver Post (Nexis) 16 Feb. 4 c The chandelier's screw collar that holds the chandeliers to the ceiling mount can break causing the chandelier to fall and injure bystanders.

extracted from screwn.¹

as lemmas

单词	screw collar
释义	> as lemmas screw collar screw collar n. a ring or band with a screw thread by which a light bulb or other device may be secured to a fitting. ΚΠ 1817 Philos. Trans. (Royal Soc.) 107 189 Another tin cylinder..with a similar screw collar at top, forms a case for protecting the bulb when screwed to the under side. 1854 B. Powell Pereira's Lect. Polarized Light (ed. 2) 301 By means of a screw-collar he managed to vary the distance between the first and second compound lens. 2015 Denver Post (Nexis) 16 Feb. 4 c The chandelier's screw collar that holds the chandeliers to the ceiling mount can break causing the chandelier to fall and injure bystanders. extracted from screwn.¹ < as lemmas
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