18-letter words containing a, b, h, o
- broadcasting house — any of a number of buildings in the UK from which the BBC broadcasts or has broadcast
- bromochloromethane — chlorobromomethane.
- bronchocandidiasis — See under candidiasis.
- brothers karamazov — a novel (1880) by Dostoevsky.
- burkitt's lymphoma — a cancer characterized by tumors containing lymphoid cells, occurring esp. in children, in the jaw, eyes, and internal organs: it is associated with the Epstein-Barr virus
- carbonic anhydrase — an enzyme in blood cells that catalyses the decomposition of carbonic acid into carbon dioxide and water, facilitating the transport of carbon dioxide from the tissues to the lungs
- carbonic-anhydride — carbon dioxide.
- carboxyhaemoglobin — haemoglobin coordinated with carbon monoxide, formed as a result of carbon monoxide poisoning. As carbon monoxide is bound in preference to oxygen, tissues are deprived of oxygen
- catch one's breath — When you catch your breath while you are doing something energetic, you stop for a short time so that you can start breathing normally again.
- chamber of horrors — a room, for example in a waxworks, containing objects, images or representations of people or scenes that are believed likely to frighten or horrify visitors
- chebyshev equation — Tchebycheff equation.
- chlorobromomethane — a clear, colorless, volatile, nonflammable liquid, CH 2 ClBr, used chiefly as an extinguishing agent in fire extinguishers and as a solvent in organic synthesis.
- chlorofluorocarbon — Chlorofluorocarbons are the same as CFCs.
- christian brothers — a religious congregation of laymen founded in France in 1684 for the education of the poor
- claustrophobically — In a claustrophobic way.
- clobbering machine — pressure to conform with accepted standards
- combustion chamber — an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn
- come back to earth — to return to reality from a fantasy or daydream
- common-law husband — a man considered to be a woman's husband after the couple have cohabited for several years
- connected subgraph — (mathematics) A connected graph consisting of a subset of the nodes and edges of some other graph.
- contact inhibition — the cessation of movement, growth, and division in cells that touch each other.
- controllable-pitch — (of a marine or aircraft propeller) having blades whose pitch can be changed during navigation or flight; variable-pitch.
- corpus christi bay — a bay in S Texas, at the mouth of the Nueces River.
- death by chocolate — a very rich type of chocolate dessert or cake
- decachlorobiphenyl — (organic compound) The fully chlorinated polychlorinated biphenyl containing ten chlorine atoms.
- didaskaleinophobia — The fear of going to school.
- double achievement — a representation of the arms of a husband beside those of his wife such that a difference of rank between them is shown.
- elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
- elizabethan sonnet — Shakespearean sonnet
- go back to the mat — to abandon urban civilization
- go to the bathroom — use the toilet
- green-backed heron — a small, American heron, Butorides striatus, having glossy green wings.
- hamilton's problem — Hamiltonian problem
- happy as a sandboy — very happy; high-spirited
- have a thing about — If you have a thing about someone or something, you have very strong feelings about them.
- have by the throat — to have compete control over (a person or thing)
- have money to burn — to have more money than one needs, so that some can be spent foolishly
- have on one's back — to be burdened with
- have the better of — of superior quality or excellence: a better coat; a better speech.
- have words with sb — If one person has words with another, or if two or more people have words, they have a serious discussion or argument, especially because one has complained about the other's behaviour.
- have/be to do with — If you say that one thing has something to do with or is something to do with another thing, you mean that the two things are connected or that the first thing is about the second thing.
- heat of combustion — the heat evolved when one mole of a substance is burnt in oxygen at constant volume
- hebdomadal council — the governing council or senate of Oxford University
- hermaphrodite brig — a two-masted sailing vessel, square-rigged on the foremast and fore-and-aft-rigged on the mainmast.
- herring bone weave — a pattern consisting of adjoining vertical rows of slanting lines, any two contiguous lines forming either a V or an inverted V , used in masonry, textiles, embroidery, etc.
- hexachlorobiphenyl — (organic compound) Either of forty-two isomers of the polychlorinated biphenyl containing six chlorine atoms.
- histocompatibility — the condition of having antigenic similarities such that cells or tissues transplanted from one (the donor) to another (the recipient) are not rejected.
- honorable ordinary — any of the ordinaries believed to be among those that are oldest or that were the source of the other ordinaries, as the chief, pale, fess, bend, chevron, cross, and saltire.
- honourable mention — If something that you do in a competition is given an honourable mention, it receives special praise from the judges although it does not actually win a prize.
- hydrofluorocarbons — Plural form of hydrofluorocarbon.