18-letter words containing c, o, m, b
- subject complement — a word or a group of words, usually functioning as an adjective or noun, that is used in the predicate following a copula and describes or is identified with the subject of the sentence, as sleepy in The travelers became sleepy.
- subsidiary company — a company whose controlling interest is owned by another company.
- tectorial membrane — membrane in the inner ear that covers the organ of Corti
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- thermonuclear bomb — hydrogen bomb.
- 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 contemporary — popular dance music incorporating elements of rap, rhythm-and-blues, funk, and soul.
- 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.
- wingback formation — single wingback formation.
- working men's club — A working men's club is a place where working people, especially men, can go to relax, drink alcoholic drinks, and sometimes watch live entertainment.
- yellow book cd-rom — A CD-ROM format which is ISO 9660 compliant and uses mode 1 addressing. Discs of this type can be played on most drives and would be appropriate for most multimedia applications which have been developed for personal computers.