18-letter words containing i, m, b, r, a
- submaxillary gland — submandibular gland.
- subsidiary company — a company whose controlling interest is owned by another company.
- subsistence farmer — a farmer who consumes most of the produce he grows, leaving little or nothing to be marketed
- tectorial membrane — membrane in the inner ear that covers the organ of Corti
- the-master-builder — a play (1892) by Ibsen.
- timber rattlesnake — a rattlesnake, Crotalus horridus horridus, of the eastern U.S., usually having the body marked with dark crossbands.
- transfinite number — an infinite cardinal or ordinal number.
- transmission brake — A transmission brake is a brake that operates on the transmission system of a vehicle rather than directly on the wheels.
- urban homesteading — homesteading (def 2).
- vitelline membrane — the membrane surrounding the egg yolk.
- white man's burden — the alleged duty of white colonizers to care for nonwhite indigenous subjects in their colonial possessions.
- whittaker chambers — Robert, 1802–71, Scottish publisher and editor.
- wingback formation — single wingback formation.
- women's liberation — a movement to combat sexual discrimination and to gain full legal, economic, vocational, educational, and social rights and opportunities for women, equal to those of men.