para- /ˌpærə-/ 前綴
 旁, 外, 副, 對立, 倒錯, 擬
 Par·a-
 1. A prefix signifying alongside of, beside, beyond, against, amiss; as parable, literally, a placing beside; paradox, that which is contrary to opinion; parachronism.
 2. Chem. A prefix denoting: (a) Likeness, similarity, or connection, or that the substance resembles, but is distinct from, that to the name of which it is prefixed; as paraldehyde, paraconine, etc.; also, an isomeric modification. (b) Specifically: Organ. Chem. That two groups or radicals substituted in the benzene nucleus are opposite, or in the respective positions 1 and 4; 2 and 5; or 3 and 6, as paraxylene; paroxybenzoic acid.  Cf. Ortho-, and Meta-. Also used adjectively.
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 para
      n 1: (obstetrics) the number of live-born children a woman has
           delivered; "the parity of the mother must be
           considered"; "a bipara is a woman who has given birth to
           two children" [syn: parity]
      2: 100 para equal 1 dinar
      3: a soldier in the paratroops [syn: paratrooper]
      4: an estuary in northern Brazil into which the Tocantins River
         flows [syn: Para River]
      5: port city in northern Brazil in the Amazon delta; main port
         and commercial center for the Amazon River basin [syn: Belem,
          Feliz Lusitania, Santa Maria de Belem, St. Mary of
         Bethlehem]