21-letter words containing g, l, y, c
- psychological warfare — the use of propaganda, threats, and other psychological techniques to mislead, intimidate, demoralize, or otherwise influence the thinking or behavior of an opponent.
- psychoneuroimmunology — the study of the effects of psychological factors on the immune system
- rectangular hyperbola — a hyperbola with perpendicular asymptotes
- schlieren photography — a type of photography which records schlieren
- sir roger de coverley — Sir Roger de, a literary figure representing the ideal of the early 18th-century squire in The Spectator, by Addison and Steele.
- structural psychology — psychology centering on the analysis of the structure or content of conscious mental states by introspective methods.
- the royal scots greys — (formerly) a British cavalry regiment, the Second Dragoons
- threshold wage policy — a policy whereby wages are increased in accordance with inflation
- vertically challenged — short in stature.
- x-ray crystallography — the determination of the structure of a crystal by the use of x-ray diffraction.