12-letter words containing a, r, t, h, o, m
- meteorograph — an instrument for automatically recording various meteorological conditions, as barometric pressure and temperature, at the same time.
- methanometer — an instrument that measures the concentration of methane in the air of mines
- method actor — actor who follows the Method
- methotrexate — a toxic folic acid analogue, C 2 0 H 2 2 N 8 O 5 , that inhibits cellular reproduction, used primarily in the treatment of psoriasis and certain cancers and as an immunosuppressive agent.
- metrorrhagia — nonmenstrual discharge of blood from the uterus; uterine hemorrhage.
- microhabitat — an extremely localized, small-scale environment, as a tree stump or a dead animal.
- misanthropes — Plural form of misanthrope.
- misanthropic — of, relating to, or characteristic of a misanthrope.
- mitochondria — an organelle in the cytoplasm of cells that functions in energy production.
- mob hysteria — the heightened and extreme emotions that can be experienced by people in a large crowd
- mole-catcher — someone or something who catches, traps, or kills moles
- monochromats — Plural form of monochromat.
- monohydrates — Plural form of monohydrate.
- monotrichate — (of bacteria) having a single flagellum at one pole.
- morphosyntax — the study of the morphological and syntactic properties of linguistic or grammatical units.
- mother craft — a spaceship providing facilities and supplies for a number of smaller craft, or for astronauts
- mother earth — the earth regarded as the source of all animate and inanimate things.
- mother image — a person substituted in one's mind for one's mother and often the object of emotions felt toward the mother
- mother's day — a day, usually the second Sunday in May, set aside in honor of mothers.
- mother-naked — stark naked; as naked as when born.
- motherboards — Plural form of motherboard.
- motor launch — a small naval vessel that chases submarines, etc
- mythographer — a person who collects or records myths in writing.
- nitromethane — a colorless, oily, slightly water-soluble, poisonous liquid, CH 3 NO 2 , used chiefly as a solvent, rocket fuel, and gasoline additive and in organic synthesis.
- no match for — If one person or thing is no match for another, they are unable to compete successfully with the other person or thing.
- normal pitch — relative point, position, or degree: a high pitch of excitement.
- normothermia — (medicine) The condition of having a normal body temperature.
- northumbrian — of or relating to Northumbria, Northumberland, or the inhabitants or dialect of either.
- on the march — If a group of soldiers are on the march, they are marching somewhere.
- ornithogalum — any plant of the genus Ornithogalum
- ornithomancy — Divination by means of birds, their flight, etc.
- orthoformate — an ester of orthoformic acid.
- overemphatic — excessive or undue emphasis.
- panchromatic — sensitive to all visible colors, as a photographic film.
- parathormone — a hormone secreted by the parathyroids, important in the control of the calcium-phosphorus balance of the body
- pharmacolite — hydrous calcium arsenate, 2CaO⋅As 2 O 5 ⋅5H 2 O, formed by natural alteration of mineral deposits containing arsenopyrite and arsenical ores of cobalt and silver.
- pharyngotomy — surgical incision into the pharynx
- photorealism — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
- phragmoplast — the cytoplasmic structure that forms at the equator of the spindle after the chromosomes have divided during the anaphase of plant mitosis, and that initiates cell division.
- plasma torch — an electrical device for converting a gas into a plasma, used for melting metal
- pneumothorax — the presence of air or gas in the pleural cavity.
- promethazine — a phenothiaxine derivative, C 1 7 H 2 0 N 2 S, used for the symptomatic relief of allergies and in the management of motion sickness.
- prothalamion — a song or poem written to celebrate a marriage.
- prothalamium — prothalamion.
- rachiotomies — Plural form of rachiotomy.
- radiothorium — a disintegration product of thorium.
- ram sth home — If something rams home a message or a point, it makes it clear in a way that is very forceful and that people are likely to listen to.
- rhamphotheca — the horny covering of a bird's bill.
- rheumatology — the study and treatment of rheumatic diseases.
- rhodomontade — rodomontade