18-letter words containing s, p, r, i, g
- 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).
- to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
- to spill your guts — if someone spills their guts, they tell you everything about something secret or private
- torsion-free group — a group in which every element other than the identity has infinite order.
- transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
- universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
- 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.
- whispering gallery — a space or gallery beneath a dome or broad arch in which low sounds produced at any of certain points are clearly audible at certain other distant points.
- working hypothesis — See under hypothesis (def 1).