21-letter words containing g, s, a, p
- transport segregation — Transport segregation is when particles from a mixture separate because the mixture vibrates while it is being moved.
- traveling salesperson — a representative of a business firm who travels in an assigned territory soliciting orders for a company's services.
- what price something? — what are the chances of something happening now?
- x-ray crystallography — the determination of the structure of a crystal by the use of x-ray diffraction.
- xeroderma pigmentosum — a rare inherited disease characterized by sensitivity to ultraviolet light, exposure resulting in lesions and tumors of the skin and eyes.