12-letter words containing h, a, r, m
- apochromatic — (of a lens) almost free from spherical and chromatic aberration
- 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.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- asynchronism — a lack of synchronism; occurrence at different times
- atheromatous — a sebaceous cyst.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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)
- 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.
- birth family — one's biological parents and siblings, as contrasted with one's adoptive family.
- birth trauma — an emotional shock caused by being born.
- blabbermouth — a person who talks too much or indiscreetly
- brahma samaj — a modern Hindu movement advocating a monotheistic religion based on the Upanishads, and social and educational reforms according to Western principles.
- 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.
- brinkmanship — Brinkmanship is a method of behaviour, especially in politics, in which you deliberately get into dangerous situations which could result in disaster but which could also bring success.