An optical instrument for looking through, as a magnifying glass, telescope, monocle, etc. In early use also: any of various devices, such as an…
| 单词 | θ64992 |
| 释义 | the world > physical sensation > sight and vision > optical instruments > [noun] > instrument for looking through (23) perspectivec1395 An optical instrument for looking through, as a magnifying glass, telescope, monocle, etc. In early use also: any of various devices, such as an… spectaclec1430 A means of seeing; something made of glass; a window or mirror. Obsolete. prospectionc1460 = perspective, n. 2a. Obsolete. rare. perspective glass1570 A perspective (perspective, n. 2a). Also: a scrying glass, a magic mirror. Also figurative. optic1599 Originally: †a simple lens, as an eyeglass or magnifying glass; (also) †an optical instrument, as a telescope (obsolete). Now: a camera lens. Also… optic glass1607 A lens; an instrument having a lens; spec. a telescope. Also figurative. optical glassc1660 = optic glass, n. Obsolete. glass1700 An optical instrument used as an aid to sight. gen. Subcategories:— parts of (12) — space or range through which objects are visible (1) — power of (2) |
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