12-letter words containing c, h, a, m
- 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.
- armada chest — an iron or iron-bound strongbox of the 17th or 18th century.
- arming chest — a chest for holding armor and weapons.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- 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.
- autorhythmic — That generates its own rhythm.
- axiom schema — (logic) A formula in the language of an axiomatic system, containing one or more. These metasyntactic variables (or "schematic variables") that stand for terms or subformulae. An example is the Axiom of Comprehension.
- azithromycin — A macrolide antibiotic derived from erythromycin.
- bach trumpet — a modern small three-valved trumpet for playing clarino passages in Bach's music
- bathochromic — denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound
- beach-comber — a person who lives by gathering salable articles of jetsam, refuse, etc., from beaches.
- beach-la-mar — an English-based creole language spoken in Vanuatu and Fiji, and formerly much more widespread
- beachcombers — Plural form of beachcomber.
- beachcombing — The action of a beachcomber.
- 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)
- beech marten — stone marten.
- bench-warmer — a substitute who rarely gets to play in a game.
- 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.
- biomechanics — the study of the mechanics of the movement of living organisms
- 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.
- book matches — safety matches made of paper and fastened into a small cardboard folder
- boxing match — a competition between two boxers
- brahmacharya — the stage of life of the student, entailing study of the Vedas and complete celibacy, usually lasting for twelve years.
- brigham city — a city in N Utah.
- bronchospasm — an abnormal contraction of the bronchi resulting in restriction of the airway
- cabbage moth — a common brownish noctuid moth, Mamestra brassicae, the larva of which is destructive of cabbages and other plants
- cache memory — a small area of memory in a computer that can be accessed very quickly
- calycanthemy — the abnormal development of the calyx of a flower into a structure resembling a corolla
- cam ranh bay — an inlet of the South China Sea, on the SE coast of Vietnam: U. S. military facility during the Vietnam War.
- camel's hair — the hair of the camel
- camel's-hair — made of camel's hair.
- camera phone — A camera phone is a mobile phone that can also take photographs.
- campaign hat — a felt hat with a broad, stiff brim and four dents in the crown, formerly worn by personnel in the U.S. Army and Marine Corps.
- camphor ball — mothball
- camphor tree — a lauraceous evergreen E Asian tree, Cinnamomum camphora, whose aromatic wood yields camphor
- camphorating — Present participle of camphorate.
- campshedding — to line (the bank of a river) with campshot.
- cash economy — an economic system, or part of one, in which financial transactions are carried out in cash rather than via direct debit, standing order, bank transfer, or credit card
- cash machine — ATM1
- cash payment — an immediate payment in cash
- catechumenal — Ecclesiastical. a person under instruction in the rudiments of Christianity, as in the early church; a neophyte.
- cathetometer — an instrument measuring minute height differences
- cathiodermie — a beauty treatment for the skin, which involves using electrotherapy
- cephalometer — an instrument for positioning the human head for X-ray examination in cephalometry
- cephalometry — measurement of the dimensions of the human head by radiography: used mainly in orthodontics
- ceramography — the study, analysis, and preparation of ceramic microstructures, usually for industrial use