18-letter words containing m, a, b, l, e
- subliminal message — a message passed to the human mind without the mind being consciously aware of it, as, for example, in advertising
- tectorial membrane — membrane in the inner ear that covers the organ of Corti
- the beautiful game — football
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the welsh assembly — the elected assembly for Wales, based in Cardiff, that has certain powers devolved from the UK government
- the-master-builder — a play (1892) by Ibsen.
- thermonuclear bomb — hydrogen bomb.
- timber rattlesnake — a rattlesnake, Crotalus horridus horridus, of the eastern U.S., usually having the body marked with dark crossbands.
- vitelline membrane — the membrane surrounding the egg yolk.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- 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.