1. having analogy; corresponding in some particular: A brain and a computer are analogous.
  2. Biology. corresponding in function, but not evolved from corresponding organs, as the wings of a bee and those of a hummingbird.


  1. similar or corresponding in some respect
  2. biology (of organs and parts) having the same function but different evolutionary originthe paddle of a whale and the fin of a fish are analogous Compare homologous (def. 4)
  3. linguistics formed by analogyan analogous plural

1640s, from Latin analogus, from Greek analogos “proportionate, according to due proportion” (see analogy).


  1. Similar in function but not in structure and evolutionary origin.

  1. Similar in function but having different evolutionary origins, as the wings of a butterfly and the wings of a bird.
  2. Similar in chemical properties and differing in chemical structure only with respect to one element or group.

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