the valve
121valve of Thebesius — valve of The·be·si·us te bā zē əs n CORONARY VALVE A. C. Thebesius see THEBESIAN VEIN …
122valve — (n.) late 14c., one of the halves of a folding door, from L. valva section of a folding or revolving door, lit. that which turns, related to volvere to roll (see VULVA (Cf. vulva)). Sense extended 1610s to membranous fold regulating flow of… …
123valve-in-headengine — valve in head engine (vălvʹĭn hĕdʹ) n. An internal combustion engine, as in some automobiles, that has the inlet and exhaust valves in the cylinder head instead of in the engine block. * * * …
124valve-in-head engine — [valv′in hed′] n. a type of internal combustion engine, as in many automobiles, having the intake and exhaust valves in the cylinder head instead of the block …
125valve head — The surface of the large end of a valve …
126valve principle — The original method of ABS control using an electrically operated valve to control the air pressure …
127valve|gear — «VALV GIHR», noun. a mechanism which regulates the motions of the valves of an engine or other mechanical apparatus …
128The Doors of Perception —   …