Word
aqueduct
Phoneticsaque·duct
US/ˈækwəˌdəkt/
UK/ˈækwɪdˌʌkt/
Definition
n. a long, narrow tube in the body that carries water or other fluids. In the brain, it helps move fluid around to keep the brain healthy.
n. a tubular structure in the body that serves as a channel for the passage of fluids. In the central nervous system, it refers to one of the four channels that circulate cerebrospinal fluid.
Examples
“The aqueduct helps move fluid through the brain.”
“Doctors used an MRI to check if the aqueduct was blocked, which could cause pressure in the brain.”
“The lateral and medial aqueducts form a critical part of the brain's ventricular system, ensuring the continuous circulation of cerebrospinal fluid to maintain intracranial pressure and nutrient exchange.”
Examples
simple
“The aqueduct helps move fluid through the brain.”
contextual
“Doctors used an MRI to check if the aqueduct was blocked, which could cause pressure in the brain.”
complex
“The lateral and medial aqueducts form a critical part of the brain's ventricular system, ensuring the continuous circulation of cerebrospinal fluid to maintain intracranial pressure and nutrient exchange.”
Real-World Examples
“The south of the enclosure is intersected by a leat (aqueduct) which enters the site through a masonry channel.” “The Romans were master engineers, building sprawling road networks, towering aqueducts and arenas across their empire.” Etymology
Adapted borrowing from Latin aquaeductus (“conveyance of water”), from aqua (“water”) + dūcō (“I lead”, “I bring”); compare the French aqueduc.
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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
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QR code
englishreference.com/q/aqueduct