Wiktionary英语词典
收录 1,329,381 个英语单词，来自Wiktionary的英文释义、IPA发音、词源、词形变化和词汇关系数据
V开头单词
(共18,277个)
A device that controls the flow of a gas or fluid through a space, such as a pipe, manifold, or plen...
A type of amplifier that uses vacuum tubes to increase the power of a signal.
plural of valve amplifier
The mechanism of a steam engine that operates the inlet and exhaust valves to admit steam into the c...
Plural of valve gear.
Any of the large valvular flaps projecting into the lumen of the small intestine.
Synonym of Thebesian valve.
ileocecal valve
A liquid used to lubricate valves in brass instruments.
plural of valve oil
Any snail of the genus Valvata.
plural of valve snail
In a piston engine, the precise timing of the opening and closing of the valves.
The mechanical system that operates the valves in an internal combustion engine.
plural of valve train
plural of valvectomy
The excision of a heart valve.
Having valves.
Having no valves.
Absence of valves.