18-letter words containing a, n, o, m
- have money to burn — to have more money than one needs, so that some can be spent foolishly
- have one's moments — If you say that someone or something has their moments, you are indicating that there are times when they are successful or interesting, but that this does not happen very often.
- heart-rate monitor — a machine that monitors or records a person's heart rate
- 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
- heimlich manoeuvre — a technique in first aid to dislodge a foreign body in a person's windpipe by applying sudden upward pressure on the upper abdomen
- hepatosplenomegaly — Enlargement of both the liver and spleen.
- home entertainment — the aggregate of appliances, as stero systems, television, videocassette recorders, or computers, used for diversion in the home.
- homelands movement — the programme to resettle native Australians on their tribal lands
- honeysuckle family — the plant family Caprifoliaceae, typified by shrubs and woody vines having opposite leaves, clusters of usually flaring, narrow, tubular flowers, and various types of fruit, and including the elder, honeysuckle, snowberry, twinflower, and viburnum.
- honour moderations — (at Oxford University) the first public examination, in which candidates are placed into one of three classes of honours
- 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.
- human rights group — a group that campaigns for human rights
- hungry programmers — (body) A group of programmers producing free software.
- hydrocinnamic acid — a white crystalline compound, C 9 H 10 O 2 , with a floral odor, used in perfumes and flavoring.
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyperaldosteronism — aldosteronism.
- hypochromic anemia — an anemia characterized by an abnormally low concentration of hemoglobin in the red blood cells, often due to iron deficiency.
- imaginary operator — An imaginary operator is the part of a complex number that defines the magnitude of the part of the complex number at right angles to the real number part.
- immunohistological — the microscopic study of tissues with the aid of antibodies that bind to tissue components and reveal their presence.
- immunopharmacology — the branch of pharmacology concerned with the immune system
- imploded consonant — a consonant which is pronounced with or by implosion
- impressionableness — The quality of being impressionable.
- in abraham's bosom — at rest with one's dead ancestors
- in company with sb — If you feel, believe, or know something in company with someone else, you both feel, believe, or know it.
- in comparison with — when compared to
- in compliance with — in accordance with
- in inverted commas — If you say in inverted commas after a word or phrase, you are indicating that it is inaccurate or unacceptable in some way, or that you are quoting someone else.
- in terrorem clause — a clause in a will stating that a beneficiary who contests the will shall lose his or her legacy.
- in the name of sth — If you do something in the name of an ideal or an abstract thing, you do it in order to preserve or promote that thing.
- income maintenance — a government program that provides financial assistance to needy people so that they can maintain a certain income level.
- incommensurability — not commensurable; having no common basis, measure, or standard of comparison.
- industrial diamond — a small often synthetic diamond, valueless as a gemstone, used in cutting tools, abrasives, etc
- information bureau — an office where you can go to get information
- information centre — help desk, office
- information island — (jargon) A body of information (i.e. electronic files) that needs to be shared but has no network connection.
- information office — an office where you can go to get information
- information system — a computer system or set of components for collecting, creating, storing, processing, and distributing information, typically including hardware and software, system users, and the data itself: the use of information systems to solve business problems.
- information theory — the mathematical theory concerned with the content, transmission, storage, and retrieval of information, usually in the form of messages or data, and especially by means of computers.
- informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
- infrared astronomy — the study of infrared radiation emitted by celestial objects.
- initial commission — Initial commission is commission that is paid to someone who sells or recommends a financial product for the first time.
- inner automorphism — an automorphism that maps an element x into an element of the form axa −1 where a −1 is the inverse of a.
- instruction manual — how-to, usage guide
- instrument station — station (def 14a).
- intercommunication — to communicate mutually, as people.
- interrogation mark — Also called interrogation point, interrogation mark. a mark indicating a question: usually, as in English, the mark (?) placed after a question.
- intimate borrowing — the borrowing of linguistic forms by one language or dialect from another when both occupy a single geographical or cultural community.
- investment account — a bank account in which money is saved long-term to accrue interest
- investment company — a company that invests its funds in other companies and issues its own securities against these investments.