12-letter words containing a, r, c, m, i
- antimacassar — a cloth covering the back and arms of chairs, etc, to prevent soiling or as decoration
- antimicrobic — Antimicrobial.
- antimonarchy — Opposing a monarchy.
- antiromantic — opposed to romanticism
- apochromatic — (of a lens) almost free from spherical and chromatic aberration
- archaic homo — collectively, the very robust, regionally differentiated human populations that lived in Europe, Asia, the Middle East, and Africa from 35,000 to 200,000 years ago.
- archesporium — archespore.
- archipallium — (anatomy) The oldest region of the brain's pallium, often considered contiguous with the olfactory cortex, but varying among species. In humans, the archipallium makes up the hippocampus.
- archiphoneme — an abstract linguistic unit representing two or more phonemes when the distinction between these has been neutralized: conventionally shown by a capital letter within slashes, as /T/ for /t/ and /d/ in German Rat and Rad
- arithmetical — Arithmetical calculations, processes, or skills involve the addition, subtraction, multiplication, or division of numbers.
- arming chest — a chest for holding armor and weapons.
- army officer — a person in the army who holds a position of authority, responsibility and duty, especially one who holds a commission
- aromatically — having an aroma; fragrant or sweet-scented; odoriferous.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- astrodynamic — Pertaining to astrodynamics.
- astronomical — If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.
- asymmetrical — Something that is asymmetrical has two sides or halves that are different in shape, size, or style.
- asynchronism — a lack of synchronism; occurrence at different times
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- atomic power — nuclear power.
- auction room — a room in a building where auctions take place
- autorhythmic — That generates its own rhythm.
- axisymmetric — being symmetrical around an axis
- azithromycin — A macrolide antibiotic derived from erythromycin.
- backswimmers — Plural form of backswimmer.
- barodynamics — the branch of mechanics concerned with heavy structures
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- basmati rice — a variety of long-grain rice with slender aromatic grains, used for savoury dishes
- bathochromic — denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound
- beaumarchais — Pierre Augustin Caron de (pjɛr oɡystɛ̃ karɔ̃ də). 1732–99, French dramatist, noted for his comedies The Barber of Seville (1775) and The Marriage of Figaro (1784)
- benchmarking — In business, benchmarking is a process in which a company compares its products and methods with those of the most successful companies in its field, in order to try to improve its own performance.
- bicameralism — having two branches, chambers, or houses, as a legislative body.
- biometrician — a person who is knowledgeable about biometry
- biomolecular — relating to a biomolecule
- birch family — the plant family Betulaceae, characterized by deciduous trees having simple serrate leaves, male flowers in drooping catkins, female flowers in short clusters, and one-seeded nuts, and including the alder, birch, hazel, and hornbeam.
- bismarck sea — an arm of the Pacific Ocean north of New Britain and north-east of New Guinea
- bliss carman — (William) Bliss, 1861–1929, Canadian poet and journalist in the U.S.
- brigham city — a city in N Utah.
- bumping race — (esp at Oxford and Cambridge) a race in which rowing eights start an equal distance one behind the other and each tries to bump the boat in front
- cabinetmaker — A cabinetmaker is a person who makes high-quality wooden furniture.
- calorimeters — Plural form of calorimeter.
- calorimetric — the measurement of heat.
- calumniators — Plural form of calumniator.
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- camaraderies — comradeship; good-fellowship.
- camber piece — a centering for a flat arch, slightly crowned to allow for settling of the arch.
- camel's hair — the hair of the camel
- camel's-hair — made of camel's hair.
- cameralistic — of or relating to public finance.
- camiknickers — women's knickers attached to a camisole top