ecto- definition

  • prefix:
    • external; external: ectoparasite.
    • outside
  • others:
    • See ect-.
    • A prefix in terms (chiefly biological) of Greek origin, signifying ‘outside, without, exterior, exterior, lying upon’: as, ectoderm, the exterior skin; Ectozoa, outside parasites: against endo-, ento-.

Related Sources

  • Definition for "ecto-"
  • Etymologically Related for "ecto-"
66 votes

How would you define ecto-?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!