17-letter words containing a, e, r, o, p, h
- thematic approach — teaching organized by theme rather than by school subject
- therapeutic touch — the laying on of hands by a healer
- thermal expansion — expansion caused by heat
- thermal pollution — a rise in the temperature of rivers or lakes that is injurious to water-dwelling life and is caused by the disposal of heated industrial waste water or water from the cooling towers of nuclear power plants.
- throat microphone — a microphone worn around the throat and actuated by vibrations of the larynx, used when background noise would obscure the sound of speech, as in an airplane cockpit.
- to keep your head — If you keep your head, you remain calm in a difficult situation. If you lose your head, you panic or do not remain calm in a difficult situation.
- to play with fire — If you say that someone is playing with fire, you mean that they are doing something dangerous that may result in great harm for them and cause many problems.
- triskaidekaphobia — fear or a phobia concerning the number 13.
- turbosupercharger — (formerly) a turbocharger.
- ultrametamorphism — metamorphism during which the temperature of a rock exceeds its melting point.
- upper paleolithic — See under Paleolithic.
- warehouse receipt — a receipt for goods placed in a warehouse.
- well-photographed — a picture produced by photography.
- zoogeographically — In a zoogeographical way.