12-letter words containing a, h, m
- approachment — (archaic) approach.
- araneomorphs — Plural form of araneomorph.
- archaeometry — the use of science and modern technology in archaeology to examine and interpret archaeological remains
- 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.
- arithmomania — an obsessive desire to count objects, or a fixation with numbers and calculations
- arm's-length — lacking intimacy or friendliness, esp when possessing some special connection, such as previous closeness
- armada chest — an iron or iron-bound strongbox of the 17th or 18th century.
- arming chest — a chest for holding armor and weapons.
- aromatherapy — Aromatherapy is a type of treatment which involves massaging the body with special fragrant oils.
- arsphenamine — a drug containing arsenic, formerly used in the treatment of syphilis and related infections
- arthrotomies — Plural form of arthrotomy.
- astonishment — Astonishment is a feeling of great surprise.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- asynchronism — a lack of synchronism; occurrence at different times
- at half-mast — If a flag is flying at half-mast, it is flying from the middle of the pole, not the top, to show respect and sorrow for someone who has just died.
- atheromatous — a sebaceous cyst.
- athos, mount — autonomous monastic district occupying the tip of the easternmost prong of the Chalcidice peninsula, NE Greece: 130 sq mi (337 sq km); pop. 1,500
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- atmospherium — an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
- atom smasher — accelerator (sense 3)
- autapomorphy — (cladistics) A derived trait that is unique to a particular taxon.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- 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.
- baba au rhum — a light cake raised with yeast, containing raisins and dried fruits and soaked in a rum syrup
- bach trumpet — a modern small three-valved trumpet for playing clarino passages in Bach's music
- bagworm moth — any moth of the family Psychidae
- bahama grass — Bermuda grass.
- bantamweight — A bantamweight is a boxer who weighs between 51 and 53.5 kilograms, or a wrestler who weighs between 52 and 57 kilograms. A bantamweight is heavier than a flyweight but lighter than a featherweight.
- bathmophobia — The fear of stairs and slopes.
- 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.
- behaviourism — Behaviourism is the belief held by some psychologists that the only valid method of studying the psychology of people or animals is to observe how they behave.
- 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.
- bequeathment — to dispose of (personal property, especially money) by last will: She bequeathed her half of the company to her niece.
- bermuda high — a subtropical high centered near Bermuda.
- beth midrash — a place where Jews gather to study the Talmud and other religious writings; a small synagogue.
- beth shammai — the school of Jewish legal thought and hermeneutics founded in Jerusalem in the 1st century b.c. by the Jewish teacher Shammai and characterized by an austere or rigid interpretation of Jewish law and tradition.
- bhakti-marga — any of the three ways to salvation, which are those of devotion to certain gods (bhakti-marga) of study (jnana-marga) and of actions (karma-marga)