18-letter words containing a, b, t, e, r, y
- stand-by generator — an electrical system which operates automatically in case the usual system malfunctions
- stand-by passenger — someone who buys a (usually cheaper) ticket, if they are still available, on a plane just before it is about to leave rather than booking in advance
- stationary bicycle — an exercise bike
- to put years on sb — if you say that something such as an experience or a way of dressing has put years on someone, you mean that it has made them look or feel much older
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
- travelling library — a mobile library in which a vehicle such as a van delivers books to be borrowed
- treaty obligations — obligations or duties that must be carried out by a party as according to a treaty they have entered into
- two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
- universalizability — the thesis that any moral judgment must be equally applicable to every relevantly identical situation
- urban contemporary — popular dance music incorporating elements of rap, rhythm-and-blues, funk, and soul.
- yerkes observatory — an astronomical observatory located in Williams Bay, Wisconsin, affiliated with the University of Chicago, and having a 40-inch (102-cm) refracting telescope, the largest refractor in the world.