Word.ws English Dictionary

octadeca-

octadeca- prefix: eighteen.

Prefix

octadeca-

  1. eighteen

Forms of octadeca-

alternative formoctadec-

Origin of octadeca-

From octa- + deca-. Compare Ancient Greek ὀκτωκαίδεκα (oktōkaídeka).

Questions about octadeca-

What does octadeca- mean?
Octadeca- means eighteen.
What part of speech is octadeca-?
Octadeca- is a prefix.

Words near octadeca- in the dictionary

  1. octacyanomolybdate
  2. octacyanomolybdates
  3. octacyclic
  4. octad
  5. octadec-
  6. octadeca-
  7. octadecacopper
  8. octadecadienate
  9. octadecadienoate
  10. octadecadienoates
  11. octadecadienoic

Source and license

Adapted from Wiktionary: octadeca- (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “octadeca-.” Word.ws, https://word.ws/octadeca-. Based on Wiktionary, CC BY-SA 4.0.