18-letter words containing t, h, e, b, l, o
- optical brightener — an additive that dyes and brightens fabric or paper
- probability theory — the theory of analyzing and making statements concerning the probability of the occurrence of uncertain events. Compare probability (def 4).
- put the clock back — to regress
- rub shoulders with — to mix with socially or associate with
- rubbish collection — the collection of domestic refuse for disposal
- scottish blackface — a common breed of hardy mountain sheep having horns and a black face, kept chiefly on the mainland of Scotland
- see the last of sb — not encounter sb anymore
- september holidays — a period of time in September when people do not have to go to school, college or work
- sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
- the bird has flown — the person in question has fled or escaped
- 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.
- tick all the boxes — to satisfy all of the apparent requirements for success
- tighten one's belt — a band of flexible material, as leather or cord, for encircling the waist.
- to bite the bullet — If someone bites the bullet, they accept that they have to do something unpleasant but necessary.
- to close the books — to balance accounts in order to prepare a statement or report
- to spill the beans — If you spill the beans, you tell someone something that people have been trying to keep secret.
- too clever by half — If someone is too clever by half, they are very clever and they show their cleverness in a way that annoys other people.
- up to the eyeballs — You use up to the eyeballs to emphasize that someone is in an undesirable state to a very great degree.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.