13-letter words containing m, o, r, t, a
- basement-rock — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
- bass trombone — the lower-pitched of the two main types of trombone
- bergamot mint — an aromatic herb, Mentha piperita citrata, having a lemonlike odor when crushed.
- bitter almond — a variety of almond whose bitter seeds yield hydrocyanic acid upon hydrolysis
- blamestorming — a discussion or meeting for the purpose of assigning blame.
- board meeting — a meeting of the board of a company or other organization
- 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.
- bomber jacket — A bomber jacket is a short jacket which is gathered into a band at the waist or hips.
- boom operator — a person who operates a boom
- bootlace worm — a nemertean worm, Lineus longissimus, that inhabits shingly shores and attains lengths of over 6 m (20 ft)
- boston matrix — a two-dimensional matrix, used in planning the business strategy of a large organization, that identifies those business units in the organization that generate cash and those that use it
- bottom drawer — a young woman's collection of clothes, linen, cutlery, etc, in anticipation of marriage
- bowman's root — an eastern U.S. plant, Gillenia trifoliata, of the rose family, having terminal clusters of white flowers.
- brainstorming — intensive discussion to solve problems or generate ideas
- brown mustard — black mustard. See under mustard (def 2).
- campylobacter — a rod-shaped bacterium that causes infections in cattle and man. Unpasteurized milk infected with campylobacter is a common cause of gastroenteritis
- carboxymethyl — (organic chemistry) The univalent radical -CH2-COOH derived from acetic acid.
- carcinomatous — a malignant and invasive epithelial tumor that spreads by metastasis and often recurs after excision; cancer.
- carpenterworm — the larva of the carpenterworm moth.
- casement door — a door having glass panes throughout or nearly throughout its length.
- 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
- categorematic — (of a word) able to stand alone as a term or subject
- caveat emptor — Caveat emptor means 'let the buyer beware', and is a warning to someone buying something that it is their responsibility to identify and accept any faults in it.
- cecropia moth — a large North American saturniid moth, Hyalophora (or Samia) cecropia, with brightly coloured wings and feathery antennae
- centrosomally — In a centrosomal way.
- cephalometric — Relating to cephalometrics.
- ceremonialist — of, relating to, or characterized by ceremony; formal; ritual: a ceremonial occasion.
- 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
- cherry tomato — a miniature tomato not much bigger than a cherry
- chiromantical — Of or pertaining to chiromancy.
- chloromethane — methyl chloride.
- 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
- cinematograph — a combined camera, printer, and projector
- circumorbital — (anatomy) Around the eye.