英语词汇“burning-point”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

burning-point

† burning-point n. the focus of a lens (obsolete).

ΘΚΠ

the world > physical sensation > sight and vision > optical instruments > lens > [noun] > focal length or point

focus1664

focus1666

focal distance1684

focal point1692

burning-point1698

short focusa1830

visual focus1837

1698 A. van Leeuwenhoek in Philos. Trans. (Royal Soc.) 20 171 The burning Point of the Magnifying Glass.

1807 C. Hutton Course Math. (ed. 5) II. 120 All rays parallel to the axis, are reflected to the focus, or burning point.

extracted from burningn.

as lemmas

单词	burning-point
释义	> as lemmas burning-point † burning-point n. the focus of a lens (obsolete). ΘΚΠ the world > physical sensation > sight and vision > optical instruments > lens > [noun] > focal length or point focus1664 focus1666 focal distance1684 focal point1692 burning-point1698 short focusa1830 visual focus1837 1698 A. van Leeuwenhoek in Philos. Trans. (Royal Soc.) 20 171 The burning Point of the Magnifying Glass. 1807 C. Hutton Course Math. (ed. 5) II. 120 All rays parallel to the axis, are reflected to the focus, or burning point. extracted from burningn. < as lemmas
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