OXFORD DICTIONARY
, adj. & n.
--adj. glasslike, vitreous, transparent.
--n. literary a smooth sea, clear sky, etc.
hyaline cartilage n. a common type of cartilage.
L hyalinus f. Gk hualinos f. hualos glass
THESAURUS
Caelus, air, azure, blue sky, caelum, canopy, canopy of heaven, cerulean, clear as glass, cope, empyrean, ether, firmament, glass, glasslike, glassy, heaven, heavens, hyalescent, lift, lifts, sky, starry heaven, the blue, the blue serene, vault, vault of heaven, vitreous, vitriform, welkin
ROGET THESAURUS
Transparency
N
transparence, transparency, clarity, translucence, translucency, diaphaneity, lucidity, pellucidity, limpidity, fluorescence, transillumination, translumination, transparent medium, glass, crystal, lymph, vitrite, water, transparent, pellucid, lucid, diaphanous, translucent, tralucent, relucent, limpid, clear, serene, crystalline, clear as crystal, vitreous, transpicuous, glassy,
hyaline, hyaloid, vitreform.