12-letter words containing m, o, h
- anisomorphic — differing in the semantic scope of terms referring to the real world: for instance, English and Russian are anisomorphic with regard to colour terms, English treating light blue and navy blue as shades of one colour but Russian treating these two shades as unrelated
- anisothermal — (thermodynamics) Of or pertaining to a system that is not in thermal equilibrium, that does not have a single fixed temperature.
- anthroponomy — the science dealing with the laws regulating the development of the human organism in relation to other organisms and to environment.
- anthroponymy — the study of personal names.
- anthropotomy — the structure of the human body
- antimonarchy — Opposing a monarchy.
- antithrombin — a substance that counteracts the action of thrombin, preventing the formation of blood clots
- apochromatic — (of a lens) almost free from spherical and chromatic aberration
- apothegmatic — Relating to, or in the manner of, an apothegm; sententious; pithy.
- 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.
- 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
- arithmomania — an obsessive desire to count objects, or a fixation with numbers and calculations
- aromatherapy — Aromatherapy is a type of treatment which involves massaging the body with special fragrant oils.
- 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
- 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.
- b chromosome — a type of densely staining chromosome of uncertain biological function, found in many plant and animal species.
- b lymphocyte — B cell.
- b-lymphocyte — a type of lymphocyte, originating in bone marrow, that produces antibodies
- bagworm moth — any moth of the family Psychidae
- 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.
- beachcombers — Plural form of beachcomber.
- beachcombing — The action of a beachcomber.
- beehive tomb — a type of subterranean tomb of the Mycenaean civilization consisting of a domed chamber entered by a passage through a hillside.
- 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.
- bimorph cell — a piezoelectric transducer consisting of two crystals cemented together, used in microphones, headphones, loudspeakers, etc. to convert vibrations into a voltage output or to convert a signal voltage into vibrations that can produce audible sounds
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- biomechanics — the study of the mechanics of the movement of living organisms
- biorhythmics — the study of biorhythms
- bird's mouth — a right-angled notch cut in the underside of a rafter for fitting over a longitudinal member, as a wall plate.
- birth mother — the woman who gives birth to a child, regardless of whether she is the genetic mother or subsequently brings up the child
- blabbermouth — a person who talks too much or indiscreetly
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.