18-letter words containing h, b, o, m
- publishing company — a firm which publishes books
- rheims-douay bible — Douay Bible.
- rufous hummingbird — a reddish-brown hummingbird, Selasphorus rufus, of western North America.
- september holidays — a period of time in September when people do not have to go to school, college or work
- so much the better — You can say 'so much the better' or 'all the better' to indicate that it is desirable that a particular thing is used, done, or available.
- stomach sweetbread — sweetbread (def 1).
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the bottomless pit — the underworld; hell
- thermonuclear bomb — hydrogen bomb.
- three-body problem — the problem of calculating the motions of three bodies in space moving under the influence of only their mutual gravitational attraction.
- to the manner born — a way of doing, being done, or happening; mode of action, occurrence, etc.: I don't like the manner in which he complained.
- two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
- urban homesteading — homesteading (def 2).
- what has become of — If you wonder what has become of someone or something, you wonder where they are and what has happened to them.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.