hemi-

See also: hemi, hemî, Hēmi, and hémi-

English

Etymology

From Ancient Greek prefix ἡμι- (hēmi-, “half”), from ἥμισυς (hḗmisus, “half”). Doublet of semi-.

Prefix

hemi-

1. Half.

   Synonyms: half-, semi-, demi-

Derived terms

English terms prefixed with hemi-

hemiabdomen

hemiabdominal

hemiablation

hemiacetal

hemiachromatopsia

hemiagenetic

hemiagnosia

hemialbumin

hemialbumose

hemiallelic

hemiallogeneic

hemiaminal

hemiamyloid

hemianopia

hemianopsia

hemianaesthesia

hemianamorphic

hemianatropous

hemianesthesia

hemiangiocarpous

hemiaplasia

hemiarch

hemiarctic

hemiarthroplasty

hemiascomycetous

hemiataxia

hemiatrophy

hemiballism

hemiballismus

hemibiotroph

hemibiotrophic

hemiblock

hemibody

hemiboreal

hemibrain

hemibranch

hemibulb

hemicarbonic

hemicarbonic acid

hemicardia

hemicastrate

hemicastrated

hemicastration

hemicatenane

hemicellulose

hemicerebellar

hemicerebellectomised

hemicerebellectomy

hemicerebellitis

hemicerebellum

hemicerebral

hemicerebrum

hemichamber

hemichannel

hemichorea

hemichrome

hemicircle

hemicircular

hemiclit

hemiclitoral

hemiclitorides

hemiclitoris

hemiclonal

hemiclonally

hemiclone

hemicolectomy

hemicolitis

hemicollin

hemicolon

hemicomplementation

hemicomplemented

hemicomplex

hemicondylar

hemicondyle

hemicontinuity

hemicontinuous

hemicontusion

hemicontusive

hemiconvulsion

hemicord

hemichordate

hemicordate

hemicoronal

hemicorporeal

hemicorporectomy

hemicortectomy

hemicortex

hemicranial

hemicraniectomy

hemicrypt

hemicryptophyte

hydrohemicryptophyte

hemicryptophytic

hemicube

hemicyanine

hemicycle

hemicylinder

hemicylindric

hemicylindrical

hemicystectomy

hemidecorticate

hemidecorticated

hemidecortication

hemidecussate

hemidecussation

hemidegenerate

hemidemisemiquaver

hemidepleted

hemidesmosomal

hemidesmosome

hemidiaphragm

hemidiaphragmatic

hemidimer

hemidiscoidal

hemiditone

hemidome

hemidysplasia

hemidystonia

hemidystrophy

hemiedaphic

hemiellipse

hemiellipsoid

hemiellipsoidal

hemielliptic

hemelytron

hemiepiphyte

hemiepiphytic

hemiequilateral

hemiester

hemiextinction

hemiface

hemifacial

hemifield

hemifission

hemifluorinated

hemiforebrain

hemifumarate

hemifusion

hemigamous

hemiganglion

hemigenome

hemigenomic

hemigigantism

hemiglossectomy

hemiglossitis

hemiglyph

hemignathous

hemigossypol

hemigossypolone

hemihedral

hemihedron

hemihelical

hemihelix

hemimorphite

hemisect

hemihepatectomy

hemihepatic

hemiheterocercal

hemihexakisoctahedron

hemiolic

hemiholohedral

hemihomonym

hemihydranencephaly

hemihydrate

hemihydrated

hemihydrochloride

hemihyperplasia

hemihypertrophy

hemihypesthesia

hemihysterectomy

hemi-icosahedron

hemiketal

hemilabile

hemilabyrinthectomy

hemilaminectomy

hemilaminotomy

hemilaryngectomy

hemilateral

hemilaterally

hemilayer

hemilesion

hemilineage

hemilingual

hemiliver

hemiloop

hemimacula

hemimacular

hemimandible

hemimandibula

hemimandibular

hemimandibulectomy

hemimatrix

hemimaxilla

hemimaxillectomy

hemimaxillofacial

hemimegalencephaly

hemimegaloencephaly

hemimellitic

hemimembrane

hemimeridian

• hemisulcus

Translations

Note that English words beginning with hemi- in English do not necessarily correspond to words beginning with the prefixes given in this section.

half

• French: hémi- (fr)
• Georgian: ნახევარ- (naxevar-), ნახევრად- (naxevrad-)
• Greek: ημι- (el) (imi-)
• Indonesian: hemi-
• Irish: heimea-, heimi-, leath-
• Latin: hemi-
• Persian: نیم (fa) (nim-)
• Polish: hemi- (pl), pół- (pl)

Catalan

Etymology

Borrowed from Ancient Greek ἡμι- (hēmi-, “half”).

Prefix

hemi-

1. hemi-, half

   Synonym: semi-

Derived terms

Catalan terms prefixed with hemi-

hemianòpsia

hemisferi

Further reading

• “hemi-”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2025.

Danish

Prefix

hemi-

1. hemi-, half

   ‎hemi- + ‎sfære → ‎hemisfære

Derived terms

Danish terms prefixed with hemi-

hemikryptofyt

Indonesian

Etymology

From Ancient Greek ἡμι- (hēmi-).

Pronunciation

• IPA^(key): [ˈhemi]
• Hyphenation: hé‧mi

Prefix

hémi

1. hemi-: half

   Synonyms: demi-, semi-

Derived terms

Category Indonesian terms prefixed with hemi- not found

Further reading

• “hemi-” 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.

Polish

Etymology

From Ancient Greek ἡμι- (hēmi-).

Pronunciation

• IPA^(key): /xɛ.mi/

• Audio:

  (file)

• Rhymes: -ɛmi
• Syllabification: [please specify syllabification manually]

Prefix

hemi-

1. hemi-

   Synonym: pół-

   ‎hemi- + ‎celuloza → ‎hemiceluloza

Derived terms

Category Polish terms prefixed with hemi- not found

Further reading

• hemi- in Polish dictionaries at PWN

Portuguese

Etymology

From Ancient Greek ἡμι- (hēmi-, “half”).

Pronunciation

• Hyphenation: he‧mi

Prefix

hemi-

1. hemi-, half

   Synonyms: médio, semi-

Derived terms

Portuguese terms prefixed with hemi-

hemiataxia

hemiciclo

hemisfera

Further reading

• “hemi-”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2025

Spanish

Etymology

Borrowed from Ancient Greek ἡμι- (hēmi-, “half”).

Pronunciation

• IPA^(key): /emi/ [e.mi]
• Syllabification: he‧mi-

Prefix

hemi-

1. hemi-, half

   Synonyms: medio, semi-

Derived terms

Spanish terms prefixed with hemi-

hemianopsia

hemicelulosa

hemiciclo

hemiparásita

Further reading

• “hemi-”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10