17-letter words containing um
- theory of numbers — number theory.
- thiopental sodium — a barbiturate, C 11 H 18 N 2 NaO 2 S, used as an anesthetic in surgery and, in psychiatry, for narcoanalysis and to stimulate recall of past events.
- to come up trumps — If you say that someone came up trumps, you mean that they did something successfully, often when they were not expected to.
- to eat humble pie — If you eat humble pie, you speak or behave in a way which tells people that you admit you were wrong about something.
- to prime the pump — To prime the pump means to do something to encourage the success or growth of something, especially the economy.
- trailing geranium — an ivy-leaved variety of geranium, Pelargonium peltatum
- triboluminescence — luminescence produced by friction, usually within a crystalline substance.
- tropical aquarium — an aquarium designed for the maintenance and breeding of tropical fish and kept at a suitably warm temperature.
- uncircumscribable — to draw a line around; encircle: to circumscribe a city on a map.
- vacuum aspiration — menstrual extraction.
- vacuum extraction — applying suction to a baby's head during birth to help it emerge
- verticillium wilt — a disease affecting many temperate-climate plants in hot weather, caused by soil-inhabiting fungi of the genus Verticillium and characterized by wilt, dulling or yellowing of leaf color, and withering near the base.
- waiver of premium — a provision in a policy establishing specific conditions under which the policy will be kept in force without the policyholder's being required to continue to pay premiums.
- zonal pelargonium — a pelargonium whose leaves are marked with concentric circles of a different colour to the rest of the leaf