18-letter words containing pro
- provincial council — (formerly) a council administering any of the New Zealand provinces
- provision merchant — a person or company in the business of retailing food and other provisions
- rabbit-proof fence — a fence through which rabbits are unable to pass
- reciprocating pump — A reciprocating pump is a pump which uses a backward and forward movement to move a fluid.
- reprocessing plant — a plant where materials are treated in order to make them reusable
- reproduction proof — repro proof.
- seasonal promotion — Seasonal promotions are items marketed to customers at the appropriate time of year, such as coats in the winter and bathing suits in the summer.
- shatterproof glass — glass designed to resist shattering
- solubility product — the maximum number of undissociated ions, of an electrolyte in a saturated solution, capable at a given temperature of remaining in equilibrium with the undissolved phase of the solution.
- special prosecutor — (formerly) an independent counsel.
- summary proceeding — a mode of trial authorized by statute to be held before a judge without the usual full hearing.
- sustaining program — a radio or television program without a commercial sponsor.
- 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
- three-body problem — the problem of calculating the motions of three bodies in space moving under the influence of only their mutual gravitational attraction.
- transverse process — a process that projects from the sides of a vertebra.
- two-colour process — (in early colour photography) a method of printing which uses superimposed red and green images
- visiting professor — a professor from another institution invited to teach at a university or college for a limited period, usually for a semester or one academic year.
- wildlife programme — (esp on television) a documentary whose subject is wild animals in their natural habitat or undomesticated fauna and flora generally
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.