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Từ điển Oxford Learners Wordfinder Dictionary
valve



noun
1. a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it (Freq. 2)
Derivationally related forms:
valvular, valvelet
Hypernyms:
structure, anatomical structure, complex body part, bodily structure, body structure
Hyponyms:
heart valve, cardiac valve, valvule, valvelet, valvula, ileocecal valve
Part Holonyms:
heart, pump, ticker
2. device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone (Freq. 1)
Derivationally related forms:
valvelet
Hypernyms:
device
Part Holonyms:
brass, brass instrument
3. control consisting of a mechanical device for controlling the flow of a fluid
Derivationally related forms:
valvular, valvelet
Hypernyms:
control, controller
Hyponyms:
accelerator, throttle, throttle valve, ball valve, butterfly valve,
choke, clack valve, clack, clapper valve, exhaust valve, intake valve,
poppet, poppet valve, safety valve, relief valve, escape valve, escape cock,
escape, slide valve
Part Meronyms:
handwheel
4. the entire one-piece shell of a snail and certain other molluscs
Hypernyms:
shell
5. one of the paired hinged shells of certain molluscs and of brachiopods
Hypernyms:
shell

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