23-letter words containing l, y, c, h
- schematic type variable — generic type variable
- schizotypal personality — a personality disorder characterized by a group of symptoms similar to but less severe than schizophrenia, as odd behavior, peculiar thinking, and social isolation.
- scottish national party — a political party advocating the independence of Scotland, founded in 1934
- secondary modern school — (formerly) a secondary school offering a more technical or practical and less academic education than a grammar school
- site catchment analysis — the examination by survey, excavation, maps, and graphs of a contained area to evaluate the productivity of the resources customarily exploited by the inhabitants of a settlement, especially a prehistoric one.
- structural anthropology — a school of anthropology founded by Claude Lévi-Strauss and based loosely on the principles of structural linguistics.
- thank one's lucky stars — any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night.
- the library of congress — the official library of the United States in Washington, DC. It houses extensive collections in all subject areas and formats, important historical documents, and is also a depository for copyrighted materials.
- throttle-body injection — a fuel-injection system in which an injector (throttle-body injector) delivers fuel to a central location within the intake manifold of the engine. Abbreviation: TBI.
- ventricular tachycardia — a cardiac arrhythmia in which the muscles of the ventricles contract irregularly in a rapid, uncoordinated manner, impairing the normal pumping of blood.
- yellow-headed blackbird — a North American blackbird, Xanthocephalus xanthocephalus, having a yellow head.