资料来源 : Webster's Revised Unabridged Dictionary (1913)

Vitreous \Vit"re*ous\, a. [L. vitreous, from vitrum glass;
   perhaps akin to videre to see (see {Vision}). Cf. {Varnish}.]
   1. Consisting of, or resembling, glass; glassy; as, vitreous
      rocks.

   2. Of or pertaining to glass; derived from glass; as,
      vitreous electricity.

   {Vitreous body} (Anat.), the vitreous humor. See the Note
      under {Eye}.

   {Vitreous electricity} (Elec.), the kind of electricity
      excited by rubbing glass with certain substances, as silk;
      positive electricity; -- opposed to resinous, or negative,
      electricity.

   {Vitreous humor}. (Anat.) See the Note under {Eye}.

   {Vitreous sponge} (Zo["o]l.), any one of numerous species of
      siliceous sponges having, often fibrous, glassy spicules
      which are normally six-rayed; a hexactinellid sponge. See
      {Venus's basket}, under {Venus}.



   {Vegetable sponge}. (Bot.) See {Loof}.

   {Velvet sponge}, a fine, soft commercial sponge ({Spongia
      equina}, variety {meandriniformis}) found in Florida and
      the West Indies.

   {Vitreous sponge}. See {Glass-sponge}.

   {Yellow sponge}, a common and valuable commercial sponge
      ({Spongia agaricina}, variety corlosia) found in Florida
      and the West Indies.