Synonyms: clack, clack valve, clapper valve
Definition: a simple valve with a hinge on one side; allows fluid to flow in only one direction
Similar words: valve
Definition: control consisting of a mechanical device for controlling the flow of a fluid
Definition: a sharp abrupt noise as if two objects hit together; may be repeated
Similar words: noise
Definition: sound of any kind (especially unintelligible or dissonant sound)
Usage: he enjoyed the street noises; they heard indistinct noises of people talking; during the firework display that ended the gala the noise reached 98 decibels
Synonyms: clack, chatter, prate, prattle, piffle, palaver, gabble, gibber, blab, blabber, maunder, tattle, tittle-tattle, twaddle
Definition: speak (about unimportant matters) rapidly and incessantly
Similar words: speak, verbalise, verbalize, utter, mouth, talk
Definition: express in speech
Usage: She talks a lot of nonsense; This depressed patient does not verbalize
Definition: make a clucking sounds, characteristic of hens
Similar words: utter, let loose, let out, emit
Definition: express audibly; utter sounds (not necessarily words)
Usage: She let out a big heavy sigh; He uttered strange sounds that nobody could understand
Synonyms: clack, clatter, brattle
Definition: make a rattling sound
Usage: clattering dishes
Similar words: make noise, noise, resound
Definition: emit a noise