Word
dehydration
Phoneticsde·hy·dra·tion, stress on the third syllable
US/ˌdihaɪˈdɹeɪʃən/
UK/dˌiːhaɪdɹˈeɪʃən/
Uncountable noun Medicine
Definition
n. a condition where your body loses more water than it takes in. It can make you feel tired, thirsty, or dizzy.
n. a physiological state resulting from an excessive loss of body water. Often used to describe the medical condition or the process of removing moisture from a substance.
Examples
“Drinking water during a long hike helps prevent dehydration.”
“The athlete was treated for severe dehydration after competing in the marathon under the midday sun.”
“Clinical dehydration can lead to electrolyte imbalances and impaired cognitive function if not addressed promptly with oral rehydration salts or intravenous fluids.”
Examples
simple
“Drinking water during a long hike helps prevent dehydration.”
contextual
“The athlete was treated for severe dehydration after competing in the marathon under the midday sun.”
complex
“Clinical dehydration can lead to electrolyte imbalances and impaired cognitive function if not addressed promptly with oral rehydration salts or intravenous fluids.”
Usage
Typically uncountable when referring to the medical state; can be countable in technical contexts referring to specific chemical processes.
Real-World Examples
“However, if you have young children, you should not point a fan directly at them as it could cause dehydration.” “In high temperatures, they increase the dangers of dehydration and imbalances in key minerals in the body.” Etymology
From de- + hydration.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Frequent
- Level
- B2 · Upper Intermediate
- Updated
- アルファベット
- 読み方の一覧 →
QR code
englishreference.com/q/dehydration