iso-

See also: Appendix:Variations of "iso"

English

Etymology

From Ancient Greek ἴσος (ísos, “equal”).

Pronunciation

• (General American) IPA^(key): /aɪsoʊ-/

• Audio (US):

  (file)

Prefix

iso-

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-

Derived terms

English terms prefixed with iso-

• anteiso-
• isohilbert space
• isoinner product
• isolatitude
• isolocal
• isomanifold
• isosymmetry
• isotransformation

Translations

equal

• Finnish: iso- (fi)
• French: iso- (fr)
• Greek: ισο- (iso-)
• Irish: isi-
• Italian: iso- (it)
• Polish: izo- (pl)
• Portuguese: iso-
• Spanish: iso- (es)

See also

• (similar) homeo-

Anagrams

• I/Os, ios, OSI, SIO, soi, OIs, OIS, SOI, iOS, IOs, Ios

Finnish

Pronunciation

• IPA^(key): /ˈiso-/, [ˈis̠o̞-]

Etymology 1

See iso (“big”).

Prefix

iso-

1. grand- (of a generation once removed)

Derived terms

Finnish terms prefixed with iso- (grand)

Further reading

• “1. iso-”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎^[1] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2024-01-01

Etymology 2

Internationalism; ultimately from Ancient Greek ἴσος (ísos, “equal”).

Prefix

iso-

1. iso-

Derived terms

Finnish terms prefixed with iso- (same)

Further reading

• “2. iso-”, in Kielitoimiston sanakirja [Dictionary of Contemporary Finnish]‎^[2] (in Finnish) (online dictionary, continuously updated), Kotimaisten kielten keskuksen verkkojulkaisuja 35, Helsinki: Kotimaisten kielten tutkimuskeskus (Institute for the Languages of Finland), 2004–, retrieved 2024-01-01

Anagrams

• ois, soi

French

Etymology

Borrowed from Ancient Greek ἴσος (ísos, “equal”).

Prefix

iso-

1. iso-

Derived terms

• isobare
• isobutane
• isochore
• isochrone
• isocline
• isogamme
• isotherme
• isooctane
• isopycne

French terms prefixed with iso-

Indonesian

Etymology

From Ancient Greek ἴσος (ísos, “equal”).

Pronunciation

• IPA^(key): [ɪso]
• Hyphenation: iso

Prefix

iso-

1. iso-

   Synonym: alo-

Alternative forms

• is-

Derived terms

Category Indonesian terms prefixed with iso- not found

Further reading

• “iso-” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

Italian

Etymology

Borrowed from Ancient Greek ἴσος (ísos, “equal”).

Prefix

iso-

1. iso-

Anagrams

• -osi, osi

Portuguese

Etymology

From Ancient Greek ἴσος (ísos, “equal”).

Prefix

iso-

1. iso-

Derived terms

Portuguese terms prefixed with iso-

See also

• equi-

Spanish

Etymology

Borrowed from Ancient Greek ἴσος (ísos, “equal”).

Prefix

iso-

1. iso-

   Synonym: equi-

Derived terms

Spanish terms prefixed with iso-

Further reading

• “iso-”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.7, Royal Spanish Academy [Spanish: Real Academia Española], 2023 November 28