hyaloid

from WordNet (r) 3.0 (2006)

hyaloid
    adj 1: resembling glass in transparency or translucency; "the
           morning is as clear as diamond or as hyaline"-Sacheverell
           Sitwell [syn: {hyaline}, {hyaloid}]
    n 1: the transparent membrane enveloping the vitreous humor of
         the eye and separating it from the retina [syn: {hyaloid
         membrane}, {hyaloid}]

from The Collaborative International Dictionary of English v.0.48

Hyaloid \Hy"a*loid\, a. [Gr. ? glassy, transparent; "y`alos
   glass + ? appearance: cf. F. hyalo["i]de.] (Anat.)
   Resembling glass; vitriform; transparent; hyaline; as, the
   hyaloid membrane, a very delicate membrane inclosing the
   vitreous humor of the eye.
   [1913 Webster]

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