18-letter words containing c, r, o, s, m, p
- surveyor's compass — an instrument used by surveyors for measuring azimuths.
- symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
- under-compensation — to compensate or pay less than is fair, customary, or expected.
- 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.