Definitions

from The Century Dictionary.

  • A prefix in words (chiefly biological) of Greek origin, signifying ‘outside, without, outer, external, lying upon’: as, ectoderm, the outer skin; Ectozoa, external parasites: opposed to endo-, ento-.

from the GNU version of the Collaborative International Dictionary of English.

  • See ect-.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • prefix outside

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the Ancient Greek ἐκτός (ektos, "outside").

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Examples

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