12-letter words containing h, e, r, t, o
- mechatronics — The synergistic combination of mechanical engineering, electronic engineering and software engineering for the study of automata from an engineering perspective and the control of advanced hybrid systems.
- mediatorship — the position of a mediator
- meganthropus — a proposed genus of extinct, late lower Pleistocene primates based on two large lower jaws found in Java, and believed to be either Australopithecine or human.
- merrythought — the wishbone or furcula of a fowl.
- metachronism — An error in chronological ordering in which a character or an event is placed at too late a time.
- metachronous — Medicine/Medical. occurring at a different time than a similar event: metachronous tumors.
- metallograph — a microscope for observing the microstructure of metals.
- metamorphism — Geology. a change in the structure or constitution of a rock due to natural agencies, as pressure and heat, especially when the rock becomes harder and more completely crystalline.
- metamorphist — a member of a group of 16th century Christians who believed that the humanly body of Jesus Christ metamorphosed into God during the Ascension
- metamorphize — (transitive) To transform or change; metamorphose.
- metamorphose — to change the form or nature of; transform.
- metamorphous — metamorphic.
- metaphorical — a figure of speech in which a term or phrase is applied to something to which it is not literally applicable in order to suggest a resemblance, as in “A mighty fortress is our God.”. Compare mixed metaphor, simile (def 1).
- metathoracic — Of or pertaining to the metathorax.
- 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.
- methoxychlor — a white, crystalline, water-insoluble solid, C 1 6 H 1 5 Cl 3 O 2 , used as an insecticide.
- methyl group — the univalent group CH 3 −, derived from methane.
- metrorrhagia — nonmenstrual discharge of blood from the uterus; uterine hemorrhage.
- misanthropes — Plural form of misanthrope.
- mob hysteria — the heightened and extreme emotions that can be experienced by people in a large crowd
- model theory — the branch of logic that deals with the properties of models; the semantic study of formal systems
- mole-catcher — someone or something who catches, traps, or kills moles
- monohydrates — Plural form of monohydrate.
- monotrichate — (of bacteria) having a single flagellum at one pole.
- 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 goose — the fictitious author of a collection of nursery rhymes first published in London (about 1760) under the title of Mother Goose's Melody.
- mother house — a convent housing a mother superior of a community of nuns.
- 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 boy — mama's boy.
- 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.
- mother-seton — Saint Elizabeth Ann (Bayley) ("Mother Seton") 1774–1821, U.S. educator, social-welfare reformer, and religious leader: first native-born American to be canonized (1975).
- mother-to-be — A mother-to-be is a woman who is pregnant, especially for the first time.
- motherboards — Plural form of motherboard.
- motherfucker — a mean, despicable, or vicious person.
- motherhouses — Plural form of motherhouse.
- motherliness — The property of being motherly.
- motormouthed — (of a person) Being a motor mouth; inclined to talk too much.
- mouthbreeder — any of several fishes of the genera Tilapia and Haplochromis, that hatch and care for their young in the mouth.
- mouthbrooder — A freshwater cichlid fish that protects its eggs (and in some cases its young) by carrying them in its mouth.
- myrmecophyte — A plant that lives in association with a colony of ants. The degree of association varies and is assumed to be symbiotic in some cases.
- mythographer — a person who collects or records myths in writing.
- mythologizer — One who, or that which, mythologizes.
- narcotherapy — an infrequently used method of treating mental disorders by intravenous injection of barbiturates.
- nasotracheal — (anatomy) Of or relating to the nose and trachea.
- neoanthropic — neanthropic.