18-letter words containing b, u, l, m, a
- subliminal message — a message passed to the human mind without the mind being consciously aware of it, as, for example, in advertising
- submaxillary gland — submandibular gland.
- 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-master-builder — a play (1892) by Ibsen.
- thermonuclear bomb — hydrogen bomb.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.