21-letter words containing a, r, c, i, n, g
- surface friction drag — the part of the drag on a body moving through a fluid that is dependent on the nature of the surface of the body
- teleological argument — the argument purporting to prove the existence of God from empirical facts, the premise being that the universe shows evidence of order and hence design
- the acting profession — actors considered as a group
- the shipping forecast — a radio broadcast made by the BBC of weather reports and forecasts for the seas around the British Isles
- tide-generating force — the difference between the force of gravity exerted by the moon or the sun on a particle of water in the ocean and that exerted on an equal mass of matter at the centre of the earth. The lunar tide-generating forces are about 2.2 times greater than are the solar ones
- to kill a mockingbird — a novel (1960) by Harper Lee.
- topological invariant — a property of a topological space that is a property of every space related to the given space by a homeomorphism.
- trades union congress — The Trades Union Congress in Britain is the same as the TUC.
- tubercular meningitis — an infection of the membranes of the central nervous system caused by the bacterium Mycobacterium tuberculosis; features can include fever, headache, and coma
- undesirable discharge — a discharge under other than honorable conditions of a person from military service by administrative action.
- vertically challenged — short in stature.
- virginia (rail) fence — a zigzag fence made of rails laid across one another at the ends
- what price something? — what are the chances of something happening now?
- youth training scheme — (formerly, in Britain) a scheme, run by the Training Agency, to provide vocational training for unemployed 16–17-year-olds