12-letter words containing m, a, t, h
- 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.
- archaeometry — the use of science and modern technology in archaeology to examine and interpret archaeological remains
- 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.
- arthrotomies — Plural form of arthrotomy.
- astonishment — Astonishment is a feeling of great surprise.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- 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.
- azithromycin — A macrolide antibiotic derived from erythromycin.
- bach trumpet — a modern small three-valved trumpet for playing clarino passages in Bach's music
- bagworm moth — any moth of the family Psychidae
- 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
- beech marten — stone marten.
- bequeathment — to dispose of (personal property, especially money) by last will: She bequeathed her half of the company to her niece.
- 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)
- 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
- blandishment — the act of blandishing; cajolery
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.
- book matches — safety matches made of paper and fastened into a small cardboard folder
- boxing match — a competition between two boxers
- brigham city — a city in N Utah.
- british warm — an army officer's short thick overcoat
- bromomethane — methyl bromide.
- buy the farm — a tract of land, usually with a house, barn, silo, etc., on which crops and often livestock are raised for livelihood.
- cabbage moth — a common brownish noctuid moth, Mamestra brassicae, the larva of which is destructive of cabbages and other plants
- calycanthemy — the abnormal development of the calyx of a flower into a structure resembling a corolla
- 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 tree — a lauraceous evergreen E Asian tree, Cinnamomum camphora, whose aromatic wood yields camphor
- camphorating — Present participle of camphorate.