19-letter words containing a, b, u, m, r
- strawberry geranium — a plant, Saxifraga stolonifera (or S. sarmentosa), of the saxifrage family, native to eastern Asia, that has rounded, variegated leaves and numerous threadlike stolons and is frequently cultivated as a houseplant.
- submandibular gland — either of a pair of salivary glands located one on each side of and beneath the lower jaw.
- subminiature camera — a very small, palm-sized still camera for taking photographs on 16-millimeter or similar film.
- subsistence farming — farming whose products are intended to provide for the basic needs of the farmer, with little surplus for marketing.
- telescopic umbrella — an umbrella having parts that telescope
- the labour movement — a movement campaigning for the interests of working people, for example for better working conditions, better treatment from employers, etc
- thermal equilibrium — the relationship between two systems connected only by a diathermic wall.
- transference number — that fraction of the total electric current that anions and cations carry in passing through an electrolytic solution.
- turbo-ramjet engine — a combination engine that can be operated as a turbojet or ramjet engine.