crown glass
crowng·lass
noun
2.
optical glass of low dispersion and low refractive index
Related words
Broader terms
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
crowng·lass
optical glass of low dispersion and low refractive index
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.