iso-
التعريفات والمعاني
== English ==
=== Alternative forms ===
is- (before a vowel)
=== Etymology ===
Internationalism. Learned borrowing from Ancient Greek ἴσος (ísos, “equal”).
=== Pronunciation ===
(Received Pronunciation) IPA(key): /aɪsə-/, /aɪsəʊ-/, /aɪˈsɒ-/
(General American) IPA(key): /aɪsə-/, /aɪsoʊ-/, /aɪˈsɑ-/, /aɪˈsɔ-/
Hyphenation: i‧so-
=== Prefix ===
iso-
Same, identical.
Synonyms: ipsi-, homo-, syn- / sym-
Antonyms: hetero-, allo-
iso- + effect → isoeffect
iso- + intense → isointense
Equal; equivalent.
Synonyms: equi-, pari-
Antonym: aniso-
iso- + rhythm → isorhythm
(chemistry) Isomer.
iso- + methadone → isomethadone
(organic chemistry) Of an aliphatic compound, especially a fatty acid, having a branch on the penultimate carbon atom of a chain.
iso- + hexane → isohexane
(meteorology, geography) Forms terms for specific kinds of isolines.
iso- + -therm → isotherm
iso- + -chrone → isochrone
(mathematics) Isomorphism.
==== Derived terms ====
==== Translations ====
=== See also ===
homeo-
=== Further reading ===
“iso-”, in Collins English Dictionary, 2011–present.
“iso-”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
“iso-”, in OneLook Dictionary Search.
“iso-, comb. form”, in OED Online , Oxford: Oxford University Press, launched 2000.
=== Anagrams ===
I/Os, ios, OSI, SIO, soi, OIs, OIS, SOI, iOS, IOs, Ios
== Catalan ==
=== Etymology ===
Internationalism. Learned borrowing from Ancient Greek ἴσος (ísos, “equal”).
=== Prefix ===
iso-
iso-
==== Derived terms ====
== Finnish ==
=== Etymology ===
Internationalism; ultimately from Ancient Greek ἴσος (ísos, “equal”).
=== Pronunciation ===
IPA(key): /ˈiso-/, [ˈis̠o̞-]
=== Prefix ===
iso-
(sciences, chemistry) iso-
==== Derived terms ====
=== See also ===
iso
=== Further reading ===
“2. 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 1 January 2024
=== Anagrams ===
ois, soi
== French ==
=== Etymology ===
Internationalism. Learned borrowing from Ancient Greek ἴσος (ísos, “equal”).
=== Prefix ===
iso-
iso-
==== Derived terms ====
== Indonesian ==
=== Alternative forms ===
is- (before a vowel)
=== Etymology ===
Internationalism. Learned borrowing from Ancient Greek ἴσος (ísos, “equal”).
=== Pronunciation ===
IPA(key): [ɪso]
Hyphenation: iso
=== Prefix ===
iso-
iso-
Synonym: alo-
==== Derived terms ====
=== Further reading ===
“iso-”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016
== Italian ==
=== Alternative forms ===
is- (before a vowel)
=== Etymology ===
Internationalism. Learned borrowing from Ancient Greek ἴσος (ísos, “equal”).
=== Prefix ===
iso-
iso-
==== Derived terms ====
=== Anagrams ===
-osi, osi
== Portuguese ==
=== Alternative forms ===
is- (before a vowel)
=== Etymology ===
Internationalism. Learned borrowing from Ancient Greek ἴσος (ísos, “equal”).
=== Pronunciation ===
Hyphenation: i‧so-
=== Prefix ===
iso-
iso-
equi-
==== Derived terms ====
=== Further reading ===
“iso-”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
“iso-”, in Dicionário infopédia da Lingua Portuguesa (in Portuguese), Porto: Porto Editora, 2003–2026
“iso-”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026
== Spanish ==
=== Alternative forms ===
is- (before a vowel)
=== Etymology ===
Internationalism. Learned borrowing from Ancient Greek ἴσος (ísos, “equal”).
=== Prefix ===
iso-
iso-
Synonym: equi-
==== Derived terms ====
=== Further reading ===
“iso-”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025