17-letter words containing i, r, h, y, t
- synchronistically — coincidence in time; contemporaneousness; simultaneousness.
- synchronous orbit — an orbit in which the orbital period of a satellite is identical to the spin period of the central body
- tertiary syphilis — the third stage of syphilis, characterized by involvement of the internal organs, especially the brain, spinal cord, heart, and liver.
- the evil day/hour — If someone is putting off the evil day or the evil hour, they have to do something unpleasant and are trying to avoid doing it for as long as possible.
- the life of riley — If you say that someone is living the life of Riley, you mean that they have a very easy and comfortable life with few worries.
- the olympic torch — a torch that is symbolically lit at the site of the ancient Olympics in Olympia and transported by relay to the place where the Olympic Games are to be held. It is used to ignite a fire in a cauldron that will burn throughout the Games
- the varsity match — a sporting fixture between Oxford and Cambridge university rugby teams
- thermoelectricity — electricity generated by heat or temperature difference, as in a thermocouple.
- thermoperiodicity — the effect on an organism of rhythmic fluctuations in temperature.
- thirty years' war — the war, often regarded as a series of wars (1618–48), in central Europe, initially involving a conflict between German Protestants and Catholics and later including political rivalries with France, Sweden, and Denmark opposing the Holy Roman Empire and Spain.
- thistle butterfly — any nymphalid butterfly of the genus Vanessa, as the red admiral or painted lady.
- 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.
- trichloroethylene — a colorless, poisonous liquid, C 2 HCl 3 , used chiefly as a degreasing agent for metals and as a solvent, especially in dry cleaning, for fats, oils, and waxes. Abbreviation: TCE.
- trick photography — photography that creates an illusion
- unitary authority — (in the United Kingdom) a district administered by a single tier of local government, esp those districts of England that became administratively independent of the county councils in 1996–98
- varix lymphaticus — a similar condition affecting an artery or lymphatic vessel
- voice synthesizer — a computer system that is used to artificially produce the human voice
- willow flycatcher — a North American flycatcher, Empidonax alnorum, of alder thickets and other moist areas, that has greenish-brown upper parts and whitish underparts and is almost indistinguishable except by voice from E. traillii (willow flycatcher)
- yorkshire terrier — one of an English breed of toy terriers having a long, silky, straight coat that is dark steel blue from the back of the skull to the tail and tan on the head, chest, and legs.
- youth programming — the creation and scheduling of television programmes specifically aimed at young people