Word.ws English Dictionary

eth-

eth- prefix: used as a combining form to denote the presence of 2 carbon atoms in the parent chain when forming names of organic compounds.

Prefix

eth-

  1. Used as a combining form to denote the presence of 2 carbon atoms in the parent chain when forming names of organic compounds.

Origin of eth-

From ethyl. Ultimately from Ancient Greek αἰθήρ (aithḗr, “ether”).

Words formed from eth-

Questions about eth-

What does eth- mean?
Eth- means used as a combining form to denote the presence of 2 carbon atoms in the parent chain when forming names of organic compounds.
What part of speech is eth-?
Eth- is a prefix.

Words near eth- in the dictionary

  1. ETF
  2. ETFE
  3. ETFs
  4. ETG
  5. eth
  6. eth-
  7. Eth.
  8. ethaboxam
  9. ethacizine
  10. ethacridine
  11. ethacridine lactate

Source and license

Adapted from Wiktionary: eth- (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.

Last updated:

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