17-letter words containing e, t, h, r, i, f
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- think in terms of — If you say that you are thinking in terms of doing a particular thing, you mean that you are considering it.
- thistle butterfly — any nymphalid butterfly of the genus Vanessa, as the red admiral or painted lady.
- thuringian forest — a forested mountain region in central Germany: a resort area.
- 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.
- to raise the roof — If a group of people inside a building raise the roof, they make a very loud noise, for example by singing or shouting.
- under the sign of — during that portion of the year when the sun is passing through and thus subject to the influence of (a specified sign of the zodiac)
- 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)
- with a difference — If you describe a job or holiday, for example, as a job with a difference or a holiday with a difference, you mean that the job or holiday is very interesting and unusual.
- with half a heart — halfheartedly