| 单词 | prescription glass |
| 释义 | > as lemmasprescription glass prescription glass n. (a) a lens ground according to an optician's prescription; (in plural) spectacles made for the correction of sight according to an optician's prescription (as distinct from those designed simply as sunglasses, protective spectacles, etc.); †(b) a glass vessel with graduations marked on it, used for measuring (obsolete rare).Sense (b) is apparently only attested in dictionaries or glossaries. ΚΠ 1888 Sci. Amer. 28 Apr. 259/1 The lens-grinding room..is devoted almost exclusively to making what are known as ‘prescription glasses’. 1890 Cent. Dict. Prescription-glass, a glass vessel with measures, as of a tablespoonful, teaspoonful, etc., marked on it. 1994 Fine Homebuilding Nov. 82/3 I wear prescription glasses, what the safety industry calls ‘street wear’. < as lemmas |
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