21-letter words containing h, o, n, e, y, c
- sunday school teacher — someone who teaches at a Sunday school
- sympathetic vibration — a vibration induced by resonance.
- synchronized shifting — gear shifting in which the gears to be meshed are made to rotate at the same speed.
- synchronized swimming — a sport growing out of water ballet in which swimmers, in solo, duet, and team efforts, complete various required figures by performing motions in relatively stationary positions, along with a freestyle competition, with the contestants synchronizing movements to music and being judged for body position, control, and the degree of difficulty of the moves.
- synchronous converter — a synchronous machine for converting alternating current to direct current, or vice versa, in which the armature winding is connected to collector rings and to a commutator.
- tartarian honeysuckle — an Asian honeysuckle, Lonicera tatarica, having fragrant, white to pink flowers.
- the stationery office — (in the UK) the company that supplies the civil service with all its office supplies, machinery, printing and binding, etc
- the student community — the body of students in further and higher education, considered as a whole
- therapeutic community — a group-based form of therapy for mental disorders, sometimes residential
- to fly in the face of — If an action or belief flies in the face of accepted ideas or rules, it seems to completely oppose or contradict them.
- youth training scheme — (formerly, in Britain) a scheme, run by the Training Agency, to provide vocational training for unemployed 16–17-year-olds