[vAlv]
n.
閥, [英] 電子管, 真空管
valve
valve
AHD:[v?lv]
D.J.[v#lv]
K.K.[v#lv]
n.（名詞）
Anatomy A membranous structure in a hollow organ or passage, as in an artery or a vein, that folds or closes to prevent the return flow of the body fluid passing through it.
解剖學 瓣，瓣膜：在中空器官或管道，例如靜脈或動脈血管中的膜狀結構，能夠收緊或關閉以防止通過其的體液倒流
Any of various devices that regulate the flow of gases, liquids, or loose materials through piping or through apertures by opening, closing, or obstructing ports or passageways.
閥，活門：多種的裝置壹種，由開啟、關閉或阻塞出口或通道來控制通過管道或開口的氣體、液體或流動物質
The movable control element of such a device.
栓塞：這種裝置的可移動的控制部分
Music A device in a brass wind instrument that permits change in pitch by a rapid varying of the air column in a tube.
音樂 活瓣：在銅管樂器中通過在管中迅速改變氣流而完成音調的改變的壹種裝置
Biology
生物學
One of the paired, hinged shells of certain mollusks and of brachiopods.
貝殼：某些軟體動物或鰓足動物的成對的、鉸接開合的貝殼之壹
One of the two silicified halves of the cell wall of a diatom.
瓣：矽藻的兩片矽化的細胞壁之壹
The entire, one-piece shell of a snail and certain other mollusks.
蝸牛殼：蝸牛或某些其它軟體動物的完整、單壹的殼
Botany
植物學
One of the sections into which the wall of a seedpod or other dehiscent fruit splits.
裂片：心皮壁或其它開裂果實的壁裂開的部分之壹
A lidlike covering of an anther.
蓋狀瓣
Chiefly British An electron tube or a vacuum tube.
多用於英國 電子管或真空管
Archaic Either half of a double or folding door.
古語 雙道門或折門中的壹扇
v.tr.（及物動詞）
valved， valv.ing， valves
To provide with a valve.
裝閥於…
To control by means of a valve.
用閥調節
Middle English [leaf of a door]
中古英語 [門扇]
from Latin valva * see wel- 2
源自 拉丁語 valva *參見 wel- 2
valve“less
adj.（形容詞）
valve
[vAlv]
n.
閥；活門；氣門
電子管
（心臟）瓣膜
（貝類的）殼瓣