| 单词 | optical glass |
| 释义 | optical glass (once / 214897 pages) n WORD FAMILY optical glass USAGE EXAMPLESThe recent large increase in the number of varieties of glass has been chiefly due to developments in the manufacture of optical glass. Various, Encyclopaedia Britannica, 11th Edit...(2012) Optical glass when it comes into the workshop has the appearance of small blocks of rough ice of a greyish hue. Yates, L. K., The Woman's Part—A Record of Muniti...(2011) After three days he worked with common electricity, trying glass, heavy optical glass, quartz, Iceland spar, all without effect, as on former trials. Various, Encyclopaedia Britannica, 11th Edit...(2011) n clear homogeneous glass of known refractive index; used to make lenses Hypo|Hyper crown glass, optical crown, optical crown glass optical glass of low dispersion and low refractive index flint glass, optical flintoptical glass of high dispersion and high refractive index glass a brittle transparent solid with irregular atomic structure |
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