uni-

See also: Appendix:Variations of "uni"

English

Etymology

Etymology tree

Proto-Indo-European *ís?

Proto-Indo-European *h₁óynos

Proto-Italic *oinos

Old Latin oinos

Latin ūnus

Latin ūni-der.

English uni-

From Latin uni-, combining form of unus (“one”).

Prefix

Latin number prefix

Previous:	nil-
Next:	bi-

uni-

1. one, single

Synonyms

• mono-

Derived terms

English terms prefixed with uni-

unialgal

uniallelic

uniangular

uniangulate

uniapical

uniarticular

uniarticulate

uniatrial

uniauriculate

uniaxal

uniaxial

uniaxonal

uniball

uniballer

unibasal

unibiometric

unibody

uniboob

unibracteate

unibracteolate

unibranchiate

unicast

unibrow

unicalcarate

unicameral

unicameralism

unicamerate

unicapitate

unicapsular

unicarinate

unicarinated

unicarpellate

unicase

unicell

unicelled

unicellular

unicentral

unicentric

uniceptor

unichain

unichiral

unichord

unichromosomal

uniciliate

unicistronic

uniclinal

uniclonal

Unicode

unicoherence

unicoherent

unicolonial

unicoloniality

unicolor

unicolored

unicoloured

unicompartmental

unicomponent

uniconazole

uniconceptual

unicondylar

uniconsonantal

uniconstant

unicore

unicorneal

unicornuate

unicoronal

unicortical

unicortically

unicostate

unicritical

unicryptal

unicuspid

unicuspidal

unicuspidate

unicyanobacterial

unicycle

unicyclic

unicystic

unidactyl

unidendritic

unidentate

unidenticulate

unidextrous

unidexterity

unidigitate

unidimensional

unidimensionality

unidirected

unidirection

uni-directionality

unidirectional

unidisciplinary

unielectronic

uniethnic

uniexponential

uniface

unifaced

unifacial

unifactorial

unifamilial

unifascicular

unifilar

uniflagellar

uniflagellate

uniflagellated

unifloral

uniflow

uniflowered

unifocal

unifoliar

unifoliate

unifoliolate

unifollicular

unifoveolate

unifrequency

unifunctional

unigender

unigene

unigenerational

unigeneric

unigenetic

unigenital

unigenomic

unigenotype

uniglandular

uniglobular

uniglomerular

uniglot

Unigov

unigram

uniguttate

uniguttulate

Unihan

unihemispheric

unihockey

unihormonal

unijugate

unijunction

unikaryotic

unikernel

unikont

unilabiate

unilacunar

unilamellar

unilamellate

unilaminar

unilaminate

unilateral

unilimbate

uniline

unilineage

unilineal

unilinear

unilingual

unilinguist

uniliteral

uniliterary

unilobal

unilobar

unilobate

unilobe

unilobed

unilobular

unilobulated

unilocular

uniloculate

unimacular

unimanual

unimedial

unimetric

unimodal

unimode

unimodular

unimodularity

unimolar

unimolecular

unimorph

unimucronate

unimuscular

uninational

uninegative

uninephrectomize

uninephrectomy

uninephric

uninervate

uninerved

uninodal

uninodular

uninominal

uninuclear

uninucleate

uninucleated

uninucleoid

uninym

uniocular

unioval

uniovular

uniovulate

unipacking

unipapillary

Related terms

• uno

Translations

one

• Bulgarian: едно- (edno-)
• Catalan: uni- (ca)
• Chinese:

  Mandarin: 一 (zh) (yī), 單 / 单 (zh) (dān)

• Dutch: uni- (nl)
• Finnish: yksi-, uni- (fi)
• French: uni- (fr)
• Galician: uni- (gl)
• Georgian: უნი- (uni-), ერთ- (ert-)
• German: uni- (de), ein- (de)
• Greek: μονο- (el) (mono-)
• Icelandic: ein-
• Ido: mono-
• Indonesian: eka-
• Interlingua: uni-
• Italian: uni-
• Japanese: 一 (ja) (い, i, いち, ichi, ひと, hito), 単 (ja) (たん, tan), ユニ (yuni)
• Malay: eka- (ms)
• Old English: ān-
• Russian: одно- (odno-), едино- (jedino-), уни- (uni-)
• Spanish: uni- (es)

References

• “uni-”, in Merriam-Webster.com Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.

Anagrams

• NUI, Niu

Catalan

Etymology

From Latin unus (“one”).

Prefix

uni-

1. uni-

Derived terms

Catalan terms prefixed with uni-

unicel·lular

unidimensional

unidireccional

unifamiliar

unilateral

unipartidista

unipersonal

Further reading

• “uni-”, in Diccionari de la llengua catalana [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
• “uni-”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2026
• “uni-” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
• Alcover, Antoni Maria; Moll, Francesc de Borja (1963), “uni-”, in Diccionari català-valencià-balear (in Catalan)

Finnish

Etymology

Ultimately from Latin unus.

Pronunciation

• IPA^(key): /ˈuni-/, [ˈuni-]

Prefix

uni-

1. (in loanwords) uni-

Usage notes

• uni- and mono- are used when the headword is a loan. Else, yksi- is used.

Derived terms

Finnish terms prefixed with uni-

unisono

univarianssi

French

Etymology

From Latin uni- (“one”).

Pronunciation

• IPA^(key): /y.ni/

• Audio (France (Vosges)):

  (file)

Prefix

uni-

1. uni-

Derived terms

French terms prefixed with uni-

unibrassiste

unicaméralisme

unicellulaire

unicolore

unidimensionnel

unidirectionnel

unifamilial

unifolié

unigenre

unijambiste

unilatéral

unilitère

unilobé

unimoléculaire

uninucléé

unipartisme

unipersonnel

unipolaire

unipolarité

unisensoriel

unisérié

unisexe

unisexué

unicaméral

univarié

univitellin

Galician

Etymology

Etymology tree

Proto-Indo-European *ís?

Proto-Indo-European *h₁óynos

Proto-Italic *oinos

Old Latin oinos

Latin unusder.

Galician uni-

Derived from Latin unus (“one”).

Prefix

uni-

1. uni-

Derived terms

From

Galician terms prefixed with uni-

unicolor

unicor

unidimensional

unilateral

.

Further reading

• “uni-”, in Dicionario da Real Academia Galega (in Galician), A Coruña: Royal Galician Academy, 2012–2026

Interlingua

Prefix

uni-

1. one

References

• Alexander Gode; Hugh Blair (1951), Interlingua Grammar, International Auxiliary Language Association, Inc., page 59

Italian

Etymology

From Latin unus (“one”).

Prefix

uni-

1. uni-

Derived terms

Italian terms prefixed with uni-

uniasse

uniassiale

uniassico

unicamerale

unicamerismo

unicarpellare

unicellulato

unicellulare

unicolore

uniconcettuale

unicorde

unicorno

unidimensionale

unidirezionale

unidose

unifamiliare

unifilare

uniflorale

unifogliato

uniformare

uniformazione

uniforme

unigenere

unigenito

unigiunzione

unilabiato

unilaterale

unilatero

uniloculare

unimandatario

unimodale

unimolecolare

uninazionale

uninominale

uniovulare

uniparo

unipetalo

unipolare

unipolarità

uniproprietario

unisessuale

unisex

unisillabico

unisillabo

unisono

univalve

univitigno

univocazione

Latin

Etymology

From ūnus (“one”).

Prefix

ūni-

1. one; uni-

Related terms

• ūnicus
• ūnus

Portuguese

Etymology

Etymology tree

Proto-Indo-European *ís?

Proto-Indo-European *h₁óynos

Proto-Italic *oinos

Old Latin oinos

Latin ūnus

Latin ūni-lbor.

Portuguese uni-

Learned borrowing from Latin ūni- (“uni-”), from ūnus.

Prefix

uni-

1. uni- (one)

Derived terms

Portuguese terms prefixed with uni-

unicamaral

unicameral

unicolor

unidimensional

unilateral

Further reading

• “uni-”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “uni-”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Spanish

Etymology

Etymology tree

Proto-Indo-European *ís?

Proto-Indo-European *h₁óynos

Proto-Italic *oinos

Old Latin oinos

Latin unusder.

Spanish uni-

Derived from Latin unus (“one”).

Pronunciation

• IPA^(key): /uni/ [u.ni]
• Syllabification: u‧ni-

Prefix

uni-

1. uni-

Derived terms

Spanish terms prefixed with uni-

uniceja

unicolor

unidad

unidimensional

unidireccional

unifacial

unifamiliar

unilateral

uninominal

unipersonal

unitalla

Further reading

• “uni-”, 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