13-letter words containing a, t, h, o, m
- bohr magneton — a unit that is used to indicate the magnetic moment of the electron structure in an atom, equal to 9.27 × 10 −21 erg/gauss.
- bowling match — a game of bowls
- carboxymethyl — (organic chemistry) The univalent radical -CH2-COOH derived from acetic acid.
- cash customer — a purchaser who pays cash rather than by check, credit card, or charge account.
- catastrophism — an old doctrine, now discarded, that the earth was created and has subsequently been shaped by sudden divine acts which have no logical connection with each other rather than by gradual evolutionary processes
- catecholamine — any of a group of hormones that are catechol derivatives, esp adrenaline and noradrenaline
- cecropia moth — a large North American saturniid moth, Hyalophora (or Samia) cecropia, with brightly coloured wings and feathery antennae
- cephalometric — Relating to cephalometrics.
- chase mortise — a mortise having one inclined narrow side.
- cheiromantist — A chiromancer.
- chemautotroph — an organism, such as a bacterium, that obtains its energy from inorganic reactions using simple compounds, such as ammonia or hydrogen sulphide
- chemotaxonomy — the taxonomy of species of organisms based on biochemical characteristics
- cherry tomato — a miniature tomato not much bigger than a cherry
- chiromantical — Of or pertaining to chiromancy.
- chloromethane — methyl chloride.
- cholesteatoma — A destructive and expanding keratinizing squamous epithelium in the middle ear and/or mastoid process.
- cholesteremia — cholesterolemia.
- chondromatous — a benign cartilaginous tumor or growth.
- chrestomathic — (of teaching or learning) That has a practical use.
- christmas box — a tip or present given at Christmas, esp to postmen, tradesmen, etc
- chromatically — In a chromatic manner.
- chromaticness — the attribute of colour that involves both hue and saturation
- chromatograms — Plural form of chromatogram.
- chromatograph — a piece of equipment that provides the outcome of a chromatographic test
- chromatolysis — the dissolution of stained material, such as chromatin in injured cells
- chromatolytic — relating to chromatolysis
- chromatophile — Also, chromophilic, chromophilous [kroh-mof-uh-luh s] /kroʊˈmɒf ə ləs/ (Show IPA), chromatophilic, chromatophilous. staining readily.
- chromatophore — a cell in the skin of frogs, chameleons, etc, in which pigment is concentrated or dispersed, causing the animal to change colour
- chromesthesia — (neurology, psychology) sound-to-color synaesthesia.
- chromotherapy — the use of colour and light as a restorative therapy and to promote mental and physical well-being
- chymification — the process of turning into chyme
- cinematograph — a combined camera, printer, and projector
- climatography — an account of a region's climate
- coal merchant — a person engaged in the purchase and sale of coal for profit
- come what may — to approach or move toward a particular person or place: Come here. Don't come any closer!
- commonwealths — Plural form of commonwealth.
- compass north — magnetic north, as indicated on a particular compass at a given moment.
- compsognathus — any bipedal carnivorous dinosaur of the genus Compsognathus, of late Jurassic age, having a slender body that reached a length of 30 inches (76 cm).
- copy the mail — letters, packages, etc., that are sent or delivered by means of the postal system: Storms delayed delivery of the mail.
- cosmothetical — cosmothetic
- cotton mather — Cotton, 1663–1728, American clergyman and author.
- decamethonium — a drug that is used to relax or loosen the muscles
- demochristian — a member or supporter of a Christian democratic party or movement
- demothballing — to remove (naval or military equipment) from storage or reserve, usually for active duty; reactivate.
- dephlegmation — the act of dephlegmating
- dermatography — a treatise or writing concerning the skin
- dermatophytes — Plural form of dermatophyte.
- dexamethasone — a type of powerful steroid, used as an anti-inflammatory and immunosuppressant
- diaphanometer — an instrument used to measure transparency, esp of the atmosphere
- diathermanous — the property of transmitting heat as electromagnetic radiation.