valve
[noun]
Synonyms: faucet, cock, gate, hydrant, petcock, spigot, stopcock, tap

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Related Words: shutoff

[TahlilGaran] English Synonym Dictionary ▲

valve /vælv/ noun [countable]
[Date: 1400-1500; Language: Latin; Origin: valva 'part of a door']

1. a part of a tube or pipe that opens and shuts like a door to control the flow of liquid, gas, air etc passing through it:
heart valves

2.
the part on a trumpet or similar musical instrument that you press to change the sound of the note

3. British English a closed glass tube used to control the flow of electricity in old radios, televisions etc Synonym : vacuum tube American English

[TahlilGaran] Dictionary of Contemporary English ▲

valve
noun
ADJ. safety | non-return, one-way | drain, pressure-relief | fuel, water, etc. | heart, radiator, etc.
VERB + VALVE fit The plumber will fit some new safety valves.
open You need special tools to open the valve.
close

[TahlilGaran] Collocations Dictionary ▲