12-letter words containing p, r, e, s, v, a
- valve spring — a helical spring used to hold closed a valve in the cylinder head of an internal-combustion engine
- van der post — Sir Laurens (Jan). 1906–96, South African writer and traveller. His works include the travel books Venture to the Interior (1952), The Lost World of the Kalahari (1958), and Testament to the Bushmen (1984) and the novels The Hunter and the Whale (1967) and The Admiral's Baby (1996)
- vanity press — a printing house that specializes in publishing books for which the authors pay all or most of the costs.
- vaporescence — production or formation of vapor.
- vaporishness — the quality or state of being vaporish
- vector space — an additive group in which addition is commutative and with which is associated a field of scalars, as the field of real numbers, such that the product of a scalar and an element of the group or a vector is defined, the product of two scalars times a vector is associative, one times a vector is the vector, and two distributive laws hold.
- vespertilian — of, relating to, or resembling a bat