15-letter words containing h, e, a
- apple macintosh — Macintosh
- apprenticeships — Plural form of apprenticeship.
- approved school — In Britain in the past, an approved school was a boarding school where young people could be sent to stay if they had been found guilty of a crime.
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- archaeastronomy — (astronomy, archaeology) The historical, especially archeological, study of astronomy; the study of the astronomical systems and methods of ancient cultures often embracing the astrology and cosmology of the past.
- archaebacterium — Any primitive bacteria-like organism in the kingdom Archaea.
- archaeobotanist — A person engaged in archaeobotany.
- archeoastronomy — the branch of archaeology that deals with the apparent use by prehistoric civilizations of astronomical techniques to establish the seasons or the cycle of the year, especially as evidenced in the construction of megaliths and other ritual structures.
- archeologically — In a archeological manner or fashion.
- archibald prize — an annual prize awarded by the Trustees of the Art Gallery of New South Wales since 1921, for outstanding contributions to art, letters, science, and politics
- archiepiscopacy — a form of church government in which power is vested in archbishops.
- archiepiscopate — the rank, office, or term of office of an archbishop
- architectonical — Alternative form of architectonic.
- architecturally — of or relating to architecture: architectural metals.
- arithmetic mean — an average value of a set of integers, terms, or quantities, expressed as their sum divided by their number
- armenian church — the national Church of Armenia, founded in the early fourth century ad, the dogmas and liturgy of which are similar to those of the Orthodox Church
- around the bend — to force (an object, especially a long or thin one) from a straight form into a curved or angular one, or from a curved or angular form into some different form: to bend an iron rod into a hoop.
- around the horn — (thrown) from third base to second to first in trying for a double play
- arthur brisbane — Arthur, 1864–1936, U.S. journalist.
- asiago (cheese) — a hard, dry, sharply flavored cheese originally of N Italy
- asiatic cholera — cholera (def 1).
- astrophotometry — the measurement of the intensity of light of celestial objects.
- as…as they come — the most characteristic example of a class or type
- at arm's length — If you hold something at arm's length, you hold it away from your body with your arm straight.
- at death's door — If you say that someone is at death's door, you mean they are very ill indeed and likely to die.
- at full stretch — If you are at full stretch, your arm is straight and extended as far as possible, usually because you are trying to reach something that is almost too far away.
- at right angles — If two things are at right angles, they are situated so that they form an angle of 90° where they touch each other. You can also say that one thing is at right angles to another.
- at short notice — Notice is used in expressions such as 'at short notice', 'at a moment's notice' or 'at twenty-four hours' notice', to indicate that something can or must be done within a short period of time.
- at the controls — If someone is at the controls of a machine or other piece of equipment, they are operating it.
- at the earliest — At the earliest means not before the date or time mentioned.
- at the hands of — If someone experiences a particular kind of treatment, especially unpleasant treatment, at the hands of a person or organization, they receive it from them.
- at the mercy of — in the power of
- at the point of — very close to; on the verge of
- at the touch of — You use at the touch of in expressions such as at the touch of a button and at the touch of a key to indicate that something is possible by simply touching a switch or one of the keys of a keyboard.
- atherosclerosis — a degenerative disease of the arteries characterized by patchy thickening of the inner lining of the arterial walls, caused by deposits of fatty material; a form of arteriosclerosis
- atherosclerotic — Of, pertaining to, or afflicted with atherosclerosis.
- athlete's heart — enlargement of the heart, caused by continued, heavy physical exertion
- athletic sports — sports, esp track and field events, in which athleticism is required
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- auf wiedersehen — goodbye, until we see each other again
- augmented sixth — an interval greater than a major sixth by a chromatic half step.
- authenticatable — to establish as genuine.
- authentications — Plural form of authentication.
- authoritatively — having due authority; having the sanction or weight of authority: an authoritative opinion.
- autobiographers — Plural form of autobiographer.
- autobiographies — Plural form of autobiography.
- automata theory — the formal study of the power of computation of abstract machines
- autoschediastic — offhand, with little forethought or preparation
- available light — the natural or usual light on a subject.
- axiom of choice — the axiom of set theory that given any collection of disjoint sets, a set can be so constructed that it contains one element from each of the given sets.