15-letter words containing a, t, h, o, m
- brown-tail moth — a white moth, Nygmia phaerrhoea, having a brown tuft at the end of the abdomen, the larvae of which feed on the foliage of various shade and fruit trees.
- caffe macchiato — a hot beverage consisting of espresso and a small amount of foamed milk.
- camphorated oil — a liniment consisting of camphor and peanut oil, used as a counterirritant
- catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
- cephalohematoma — A hemorrhage of blood between the skull and periosteum of a newborn baby secondary to rupture of blood vessels crossing the periosteum.
- chamber concert — a concert of chamber music
- chamois leather — soft cleaning cloth
- chartophylacium — (in a medieval church) a place for the keeping of records and documents.
- chemical toilet — a toilet in which waste is treated with chemicals
- chemoattractant — a chemical substance that provokes chemotaxis, esp one that causes a bacterium to move in the direction in which its concentration is increasing
- chemoautotrophs — Plural form of chemoautotroph.
- chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chemosterilants — Plural form of chemosterilant.
- chemotaxonomist — a specialist in the field of chemotaxonomy
- chimney-pot hat — a high silk hat; top hat.
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- christmas carol — a joyful hymn or religious song, celebrating the birth of Christ
- chromatic scale — a twelve-note scale including all the semitones of the octave
- chromatographer — A person skilled in chromatography or who operates a chromatograph.
- chromatographic — (analytical chemistry) Of or pertaining to chromatography.
- chromic acetate — a grayish-green, water-soluble powder, Cr(C 2 H 3 O 2) 3 ⋅H 2 O, used chiefly as a mordant in dyeing and printing textiles.
- chromium-plated — having been plated with chromium
- cinematographed — a motion-picture projector.
- cinematographer — A cinematographer is a person who decides what filming techniques should be used during the shooting of a film.
- cinematographic — a motion-picture projector.
- collenchymatous — Relating to collenchyma.
- communist china — China, People's Republic of.
- compotationship — the state of being a compotator or drinking companion
- computer-phobia — a person who distrusts or is intimidated by computers.
- corticothalamic — Of or pertaining to the cortex and the thalamus.
- countercharming — Present participle of countercharm.
- countermarching — Present participle of countermarch.
- craftswomanship — The body of skills, techniques, and expertise of (a) feminine craft(s).
- curia rhaetorum — a city in E Switzerland, capital of Graubünden canton. Pop: 32 989 (2000)
- dartmouth basic — (language) The original BASIC language, designed by John G. Kemeny and Thomas E. Kurtz at Dartmouth College in 1963. Dartmouth BASIC first ran on a GE 235 [date?] and on an IBM 704 on 1964-05-01. It was designed for quick and easy programming by students and beginners using Dartmouth's experimental time-sharing system. Unlike most later BASIC dialects, Dartmouth BASIC was compiled.
- delsarte method — a theory or system devised by François Delsarte for improving musical and dramatic expression through the mastery of various bodily attitudes and gestures.
- demythification — the act of demythifying
- dermatoglyphics — the lines forming a skin pattern, esp on the palms of the hands and soles of the feet
- dermatographism — a condition in which touching or lightly scratching the skin causes raised, reddish marks.
- dermatophytosis — a fungal infection of the skin, esp the feet
- diaheliotropism — the tendency among plants to respond to the light of the sun by orienting their leaves perpendicular to the sun's rays, such that the upper surface of the leaves receives maximum light
- diaphototropism — growth of a plant or plant part in a direction transverse to that of the light
- dichloromethane — a noxious colourless liquid widely used as a solvent, e.g. in paint strippers. Formula: CH2Cl2
- dichotomisation — Alternative spelling of dichotomization.
- dichotomization — The act of dichotomizing or the thing dichotomized; classification.
- dithiocarbamate — any salt or ester of dithiocarbamic acid, commonly used as fungicides
- doubting thomas — a person who refuses to believe without proof; skeptic. John 20:24–29.
- echinodermatous — belonging or pertaining to the echinoderms.
- edriophthalmian — edriophthalmous