15-letter words containing a, c, m, e, i
- andromonoecious — (of a plant species) having hermaphrodite and male flowers on the same plant
- anthropometrics — the science of measuring the size and proportions of the human body (called anthropometry), especially as applied to the design of furniture and machines.
- anti-commercial — of, relating to, or characteristic of commerce.
- anticipointment — (rare) The state of mind resulting from excitedly anticipating a strongly promoted product, event, film, etc, and then being disappointed when it fails to meet the expectations generated by this promotion.
- anticlericalism — opposed to the influence and activities of the clergy or the church in secular or public affairs.
- anticommutative — (of a binary operation) having the property that one term operating on a second is equal to the negative of the second operating on the first, as ab = −ba.
- anticompetitive — (in business) discouraging competition
- antihemorrhagic — That stops or reduces hemorrhage.
- antimony glance — stibnite
- apical meristem — meristem at the apex of a root or shoot.
- aplastic anemia — a form of anemia resulting from a failure of the bone marrow to produce adequate quantities of the essential blood components, including leukocytes and platelets
- apple macintosh — Macintosh
- arabic numerals — the figures 1, 2, 3, 4, 5, 6, 7, 8, 9, and the 0 (zero) that originated in India; Hindu-Arabic numerals
- arc de triomphe — the triumphal arch in Paris begun by Napoleon I to commemorate his victories of 1805–6 and completed in 1836
- archaebacterium — Any primitive bacteria-like organism in the kingdom Archaea.
- 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
- armour-piercing — capable of penetrating armour plate
- arms inspection — the official checking of a country's weapons and other military equipment, usually to check that international agreements have been respected
- army air forces — a unit comprising almost all aviation, with its personnel, equipment, etc.: it became part of the Air Force on July 26, 1947.
- asymmetric bars — a pair of wooden or fibreglass bars placed parallel to each other but set at different heights, for various exercises
- asymmetric time — musical time consisting of an odd number of beats in each bar divided into uneven combinations, such as 3 + 2, 4 + 3, 2 + 3 + 2, etc
- atmospherically — pertaining to, existing in, or consisting of the atmosphere: atmospheric vapors.
- automatic drive — an automotive transmission requiring either very little or no manual shifting of gears.
- automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
- 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.
- baconian method — induction (def 4a).
- baggage reclaim — the process of passengers' getting back the baggage that they have checked in for a flight
- barium chloride — a poisonous compound, BaCl2, consisting of flat white crystals that are soluble in water: it is used to treat water, metals, leather, etc.
- barium chromate — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- basic statement — protocol (def 6).
- basidiomycetous — belonging or pertaining to the basidiomycetes.
- bathing costume — A bathing costume is a piece of clothing that is worn for swimming, especially by women and girls.
- bathing machine — a small hut, on wheels so that it could be pulled to the sea, used in the 18th and 19th centuries for bathers to change their clothes
- bathing-machine — a small bathhouse on wheels formerly used as a dressing room and in which bathers could also be transported from the beach to the water.
- bathymetrically — In a bathymetric way.
- bear animalcule — tardigrade (def 3).
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- billing machine — a business machine used to itemize and total customer accounts, produce bills, post account records, etc.
- biomathematical — relating to biomathematics
- biomechanically — from a biomechanical point of view
- black guillemot — a common guillemot, Cepphus grylle: its summer plumage is black with white wing patches and its winter plumage white with greyish wings
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blenheim palace — a palace in Woodstock in Oxfordshire: built (1705–22) by Sir John Vanbrugh for the 1st Duke of Marlborough as a reward from the nation for his victory at Blenheim; gardens laid out by Henry Wise and Capability Brown; birthplace of Sir Winston Churchill (1874)
- bowel complaint — bowel disease or condition
- british america — British North America.
- buckinghamshire — a county in SE central England, containing the Vale of Aylesbury and parts of the Chiltern Hills: the geographic and ceremonial county includes Milton Keynes, which became an independent unitary authority in 1997. Administrative centre: Aylesbury. Pop (excluding Milton Keynes): 478 000 (2003 est). Area (excluding Milton Keynes): 1568 sq km (605 sq miles)
- cabinet meeting — a regular meeting of the cabinet
- cacodaemoniacal — Demonic; evil.
- cactus geranium — a plant, Pelargonium echinatum, of the geranium family, native to southern Africa, having prickly stipules and white or reddish flowers.