18-letter words containing p, s, a, m, o
- up someone's alley — suited to someone's tastes or abilities
- video compact disc — (storage) (VCD) A storage format used for film distribution.
- wattless component — Electricity. reactive component.
- withdrawal symptom — effects of stopping a drug
- women at point sur — a narrative poem (1927) by Robinson Jeffers.
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.
- world championship — an international competition in a particular sport or activity for people all around the world
- x-ray spectrometer — a spectrometer using x-rays to activate the inner electrons of an atom in order to separate and identify the chemical constituents of a substance and their concentrations.
- x-ray spectrometry — the use of an x-ray spectrometer.