18-letter words containing n, a, b, o, t, h
- lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
- lonely hearts club — a club for people who are trying to find a lover or a friend
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
- noninterchangeable — That cannot be interchanged with another.
- north attleborough — a city in SE Massachusetts.
- northeast by north — a point on the compass 11°15′ north of northeast. Abbreviation: NEbN.
- not breathe a word — to take air, oxygen, etc., into the lungs and expel it; inhale and exhale; respire.
- not by a long shot — absolutely not
- octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
- on the back burner — low priority
- one's heart bleeds — used to express sympathetic grief, but often used ironically
- optical brightener — an additive that dyes and brightens fabric or paper
- protease inhibitor — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
- saint john's bread — carob (def 2).
- shorthand notebook — a notebook used by a shorthand writer
- sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
- take a shine to sb — If you say that someone has taken a shine to another person, you mean that he or she liked them very much at their first meeting.
- the back of beyond — a very remote place
- 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 queen of sheba — a queen of the Sabeans, who visited Solomon (I Kings 10:1–13)
- thermonuclear bomb — hydrogen bomb.
- to be on the radar — to be noticed or important
- to spill the beans — If you spill the beans, you tell someone something that people have been trying to keep secret.
- 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.
- under one's breath — the air inhaled and exhaled in respiration.
- under the jackboot — If a country or group of people is under the jackboot, they are suffering because the government is cruel and undemocratic.
- urban homesteading — homesteading (def 2).
- water on the brain — hydrocephalus.
- westinghouse brake — a railroad air brake operated by compressed air.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- without obligation — In advertisements, if a product or a service is available without obligation, you do not have to pay for that product or service until you have tried it and are satisfied with it.