Hypo-

4 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hypo \Hy"po\, n.
     Hypochondria. [Colloq.]
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:



  Hypo \Hy"po\, n. [Abbrev. from hyposulphite.] (Photog.)
     Sodium hyposulphite, or thiosulphate, a solution of which is
     used as a bath to wash out the unchanged silver salts in a
     picture. [Colloq.]
     [1913 Webster]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Hypo- \Hy"po-\ [Gr. ? under, beneath; akin to L. sub. See
     {Sub-}.]
     1. A prefix signifying a less quantity, or a low state or
        degree, of that denoted by the word with which it is
        joined, or position under or beneath.
        [1913 Webster]
  
     2. (Chem.) A prefix denoting that the element to the name of
        which it is prefixed enters with a low valence, or in a
        low state of oxidization, usually the lowest, into the
        compounds indicated; as, hyposulphurous acid.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  hypo
       n 1: a compound used as a fixing agent in photographic developing
            [syn: {sodium thiosulphate}, {sodium thiosulfate}]
       2: a piston syringe that is fitted with a hypodermic needle for
          giving injections [syn: {hypodermic syringe}, {hypodermic}]