18-letter words containing n, o, c, t, i
- helicopter gunship — military attack helicopter
- helicopter station — a place where helicopters are kept in readiness for use
- helmholtz function — the thermodynamic function of a system that is equal to its internal energy minus the product of its absolute temperature and entropy: A decrease in the function is equal to the maximum amount of work available during a reversible isothermal process.
- heptadecanoic acid — a colourless crystalline water-insoluble carboxylic acid used in organic synthesis. Formula: CH3(CH2)15COOH
- herringbone stitch — a type of cross-stitch in embroidery similar to the catch stitch in sewing, consisting of an overlapped V -shaped stitch that when worked in a continuous pattern produces a twill-weave effect.
- high speed connect — (hardware) (HSC) A Hewlett-Packard bus like EISA.
- historical fiction — the genre of literature, film, etc., comprising narratives that take place in the past and are characterized chiefly by an imaginative reconstruction of historical events and personages.
- historical present — the present tense used in narrating a past event as if happening at the time of narration.
- hot-water cylinder — a vertical cylindrical tank for storing hot water, esp an insulated one made of copper used in a domestic hot-water system
- hotel receptionist — a person who looks after guests when they first arrive at a hotel, checking them in, giving them their keys, etc
- housing conditions — the physical state of houses or dwellings
- hyperconcentration — the act of concentrating; the state of being concentrated.
- hypernationalistic — a person devoted to nationalism.
- hysterical reasons — (Or "hysterical raisins") A variant on the stock phrase "for historical reasons", indicating specifically that something must be done in some stupid way for backward compatibility, and moreover that the feature it must be compatible with was the result of a bad design in the first place. "All IBM PC video adaptors have to support MDA text mode for hysterical reasons." Compare bug-for-bug compatible.
- identification tag — either of two oblong metal tags, issued to armed forces personnel, on which are impressed the serial number, name, etc., of the person to whom it is issued, and carried on or about the person at all times.
- ignition interlock — interlock (def 10).
- immunohistological — the microscopic study of tissues with the aid of antibodies that bind to tissue components and reveal their presence.
- imploded consonant — a consonant which is pronounced with or by implosion
- in accordance with — conforming to
- 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 complete flower — a flower without one or more of the normal parts, as carpels, sepals, petals, pistils, or stamens.
- in compliance with — in accordance with
- in connection with — If you write or talk to someone in connection with something, you write or talk to them about that thing.
- 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 face of sth — If you take a particular action or attitude in the face of a problem or difficulty, you respond to that problem or difficulty in that way.
- in the vicinity of — near to, in the area around
- incentive discount — a discount on goods offered to customers, usually as a reward for repeated business or for bringing in other customers
- 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.
- inconsequentiality — of little or no importance; insignificant; trivial.
- indecent behaviour — the offence of committing indecent acts
- independent school — (in Britain) a school that is neither financed nor controlled by the government or local authorities
- indirect discourse — discourse consisting not of an exact quotation of a speaker's words but of a version transformed from them for grammatical inclusion in a larger sentence. He said he was hungry is an example of indirect discourse.
- indirect injection — Indirect injection is a diesel engine injection system in which ignition is started before the burning mixture enters the main combustion chamber.
- indolebutyric acid — a white or yellowish, crystalline, water-insoluble powder, C 12 H 13 O 2 N, a plant hormone similar to indoleacetic acid and used for the same purposes.
- induction ceremony — a ceremony held to mark a person's formal introduction or entry into an office, position, group, etc
- induction training — training intended to enable new staff and recruits to do their work
- inductive coupling — the coupling between two electric circuits through inductances linked by a common changing magnetic field.
- inductive relation — A relation R between domains D and E is inductive if for all chains d1 .. dn in D and e1 .. en in E,
- indus civilization — an ancient civilization that flourished in the Indus River valley, from about 2500 to 1500 b.c.: extensive archaeological excavations at the main sites of Mohenjo-Daro and Harappa in Pakistan.
- infectious disease — illness spread by person to person
- information centre — help desk, office
- information office — an office where you can go to get information
- initial commission — Initial commission is commission that is paid to someone who sells or recommends a financial product for the first time.
- inspector of taxes — an official of HMRC whose work is to assess individuals' income tax liability
- instruction manual — how-to, usage guide
- integrating factor — a factor that upon multiplying a differential equation with the right-hand side equal to zero makes the equation integrable, usually by making the resulting expression an exact differential of some function.
- intelligence corps — a military department that gathers and analyzes information