optical glass

op·ti·cal glass

O o

Definitions of optical glass words

noun optical glass any of several types of high-quality, homogeneous, color-free glass, as flint or crown glass, having specified refractive properties, used in lenses and other components of optical systems. 1
noun optical glass any of several types of clear homogeneous glass of known refractive index used in the construction of lenses, etc 0

before 1740

One of the 48% newest English words

First recorded in 1740-50

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 7% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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