noun · 5 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
UK:/diːhaɪˈdɹeɪʃən/
Southern-England:Recorded audio is listed in the source snapshot.
US:/dihaɪˈdɹeɪʃən/
rhymes with -eɪʃən
CMU ARPABET:D IY2 HH AY0 D R EY1 SH AH0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
The act or process of removing water from something.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: drying, desiccation
Antonyms: none provided
2
noun
Meaning 2
The condition in which water in the body drops below normal levels, usually caused by illness, sweating or by not drinking enough.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
the process of extracting moisture
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: thirst, thirstiness
5
noun
Meaning 5
dryness resulting from the removal of water
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: desiccation
Antonyms: none provided
Broader terms: dryness, waterlessness, xerotes
History
Etymology
Etymology tree Proto-Indo-European *de Proto-Indo-European *-h1 Proto-Indo-European *déh1 Proto-Italic *dē Latin dē Latin dē-der. English de- English hydration English dehydration From de- + hydration.
Across languages
Translations
57 source translations are retained for this English entry.
Catalan:
deshidratació
— act or process of freeing from water
Chinese Mandarin:
脫水 /脱水
(tuōshuǐ)
— act or process of freeing from water
Czech:
dehydratace
— act or process of freeing from water
Dutch:
uitdroging
— act or process of freeing from water
Esperanto:
dehidratiĝo
— act or process of freeing from water
Finnish:
kuivuminen
— act or process of freeing from water
French:
déshydratation
— act or process of freeing from water
Galician:
deshidratación
— act or process of freeing from water
German:
Austrocknung
— act or process of freeing from water
German:
Entwässerung
— act or process of freeing from water
German:
Dehydration
— act or process of freeing from water
Greek:
αφυδάτωση
(afydátosi)
— act or process of freeing from water
Indonesian:
dehidrasi
— act or process of freeing from water
Irish:
díhiodráitiú
— act or process of freeing from water
Italian:
disidratazione
— act or process of freeing from water
Japanese:
脱水
(dassui)
— act or process of freeing from water
Kazakh:
сусыздандыру
(susyzdandyru)
— act or process of freeing from water
Korean:
탈수
(talsu)
— act or process of freeing from water
Malay:
dehidrasi
— act or process of freeing from water
Manx:
jee-ushtaghey
— act or process of freeing from water
Māori:
whakamaroketanga
— act or process of freeing from water
Polish:
odwodnienie
— act or process of freeing from water
Portuguese:
desidratação
— act or process of freeing from water
Romanian:
deshidratare
— act or process of freeing from water
Russian:
обезво́живание
(obezvóživanije)
— act or process of freeing from water
Russian:
дегидрата́ция
(dɛgidratácija)
— act or process of freeing from water
Spanish:
deshidratación
— act or process of freeing from water
Swedish:
uttorkning
— act or process of freeing from water
Swedish:
dehydrering
— act or process of freeing from water
Tagalog:
pagpapatuyo
— act or process of freeing from water
Telugu:
నిర్జలీకరణము
(nirjalīkaraṇamu)
— act or process of freeing from water
Ukrainian:
знево́днення
(znevódnennja)
— act or process of freeing from water
Welsh:
dysychiad
— act or process of freeing from water
Afrikaans:
dehidrasie
— condition in which water in the body drops below normal levels
Arabic:
جَفاف
(jafāf)
— condition in which water in the body drops below normal levels
Arabic:
تَجْفاف
(tajfāf)
— condition in which water in the body drops below normal levels
Chinese Mandarin:
脫水 /脱水
(tuōshuǐ)
— condition in which water in the body drops below normal levels
Dutch:
uitdroging
— condition in which water in the body drops below normal levels
Dutch:
dehydratie
— condition in which water in the body drops below normal levels
Finnish:
nestehukka
— condition in which water in the body drops below normal levels
French:
déshydratation
— condition in which water in the body drops below normal levels
German:
Dehydration
— condition in which water in the body drops below normal levels
German:
Dehydrierung
— condition in which water in the body drops below normal levels
German:
Austrocknung
— condition in which water in the body drops below normal levels
Indonesian:
dehidrasi
— condition in which water in the body drops below normal levels
Irish:
díhiodráitiú
— condition in which water in the body drops below normal levels
Korean:
탈수
— condition in which water in the body drops below normal levels
Malay:
dehidrasi
— condition in which water in the body drops below normal levels
Polish:
odwodnienie
— condition in which water in the body drops below normal levels
Russian:
дегидрата́ция
(degidratácija)
— condition in which water in the body drops below normal levels
Swahili:
upungufu wa maji mwilini
— condition in which water in the body drops below normal levels
Swedish:
uttorkning
— condition in which water in the body drops below normal levels
Swedish:
vätskebrist
— condition in which water in the body drops below normal levels
Tagalog:
katutuyutan
— condition in which water in the body drops below normal levels
Ukrainian:
дегідрата́ція
(dehidratácija)
— condition in which water in the body drops below normal levels
Ukrainian:
знево́днення
— condition in which water in the body drops below normal levels
Welsh:
dysychiad
— condition in which water in the body drops below normal levels