18-letter words containing y, g, p
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- stand-by passenger — someone who buys a (usually cheaper) ticket, if they are still available, on a plane just before it is about to leave rather than booking in advance
- summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
- superciliary ridge — browridge.
- superstring theory — any supersymmetric string theory in which each type of elementary particle is treated as a vibration of a single fundamental string (superstring) at a particular frequency.
- sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
- system-programming — a program, as an operating system, compiler, or utility program, that controls some aspect of the operation of a computer (opposed to application program).
- systems programmer — a person whose job is to program systems software
- to gussy sb/sth up — to give (a person or thing) a smarter or more interesting appearance
- to spill your guts — if someone spills their guts, they tell you everything about something secret or private
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- whispering gallery — a space or gallery beneath a dome or broad arch in which low sounds produced at any of certain points are clearly audible at certain other distant points.
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.
- working hypothesis — See under hypothesis (def 1).