18-letter words containing a, t, h, e, n, i
- have no hesitation — If you say that you have no hesitation in doing something, you are emphasizing that you will do it immediately or willingly because you are certain that it is the right thing to do.
- hearing impairment — partial deafness
- heart-lung machine — a device through which blood is shunted temporarily for oxygenation during surgery, while the heart or a lung is being repaired.
- 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
- heating degree-day — a degree-day below the standard temperature of 65°F or 19°C, used in estimating fuel consumption.
- hegelian dialectic — an interpretive method, originally used to relate specific entities or events to the absolute idea, in which some assertible proposition (thesis) is necessarily opposed by an equally assertible and apparently contradictory proposition (antithesis) the mutual contradiction being reconciled on a higher level of truth by a third proposition (synthesis)
- helicopter station — a place where helicopters are kept in readiness for use
- heptadecanoic acid — a colourless crystalline water-insoluble carboxylic acid used in organic synthesis. Formula: CH3(CH2)15COOH
- highlight halftone — dropout (def 7).
- histamine headache — cluster headache.
- historical present — the present tense used in narrating a past event as if happening at the time of narration.
- hit-and-run driver — sb: leaves accident scene
- hither and thither — to or toward this place: to come hither.
- hold a reservation — If a hotel holds a reservation, it keeps a room for someone, and does not give it to someone else.
- home entertainment — the aggregate of appliances, as stero systems, television, videocassette recorders, or computers, used for diversion in the home.
- 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.
- 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
- hydroxytryptamines — Plural form of hydroxytryptamine.
- hyper-intellectual — appealing to or engaging the intellect: intellectual pursuits.
- hyperaldosteronism — aldosteronism.
- hyperconcentration — the act of concentrating; the state of being concentrated.
- hypernationalistic — a person devoted to nationalism.
- hyperproliferation — (biology) An abnormally high rate of proliferation of cells by rapid division.
- hypersensitization — Photography. to treat (a film or emulsion) so as to increase its speed.
- hypersexualisation — Alternative spelling of hypersexualization.
- hypersexualization — The act or process of hypersexualizing.
- 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.
- impedance matching — the technique of choosing or adjusting electric circuits and components so that the impedance of the load is equal to the internal impedance of the power source, thereby optimizing the power transfer from source to load.
- in (the) aggregate — If a number of different things or amounts are considered in aggregate, or in the aggregate, they are considered as a single thing or amount.
- in accordance with — conforming to
- in another's shoes — in another's position
- in at the deep end — If you are thrown in at the deep end, you are put in a completely new situation without any help or preparation. If you jump in at the deep end, you go into a completely new situation without any help or preparation.
- in black and white — without colour
- in compliance with — in accordance with
- in that/which case — You say in that case or in which case to indicate that what you are going to say is true if the possible situation that has just been mentioned actually exists.
- in the affirmative — positively, by saying yes
- in the belief that — If you do one thing in the belief that another thing is true or will happen, you do it because you think, usually wrongly, that it is true or will happen.
- 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 first place — firstly
- in the last resort — You use in the last resort when stating the most basic or important fact that will still be true in a situation whatever else happens.
- 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.
- in the near future — soon
- in the same breath — the air inhaled and exhaled in respiration.
- incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
- indecent behaviour — the offence of committing indecent acts
- industrial hygiene — the science that assesses, controls, and prevents occupational factors or sources of stress in the workplace that may significantly affect the health and well-being of employees or of the community in general
- industrial vehicle — a vehicle designed for use in industry
- 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.