iso-

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Etymology

From Ancient Greek ἴσος.

Pronunciation

• (America) IPA: /aɪsoʊ-/

Prefix

1. Same, identical.

   isoeffect, isointense

2. Equal; equivalent.

   isorhythm

3. (chemistry) Isomer.

   Isomethadone is an isomer of methadone.

4. (organic chemistry) (of an aliphatic compound, especially a fatty acid) Having a branch on the penultimate carbon atom of a chain.

   isohexane

5. (meteorology, geography) Forms terms for specific kinds of isolines.

   isotherm, isochrone

6. (mathematics) Isomorphism.

Synonyms

• (identical) homo-, syn-/sym-, ipsi-
• (equivalent) equi-, pari-

Antonyms

• (antonym(s) of “identical”): hetero-, allo-
• (antonym(s) of “equivalent”): aniso-

Translations

• French: iso-
• Italian: iso-
• Portuguese: iso-
• Spanish: iso-

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