12-letter words containing h, o, m, t
- biorhythmics — the study of biorhythms
- bird's mouth — a right-angled notch cut in the underside of a rafter for fitting over a longitudinal member, as a wall plate.
- birth mother — the woman who gives birth to a child, regardless of whether she is the genetic mother or subsequently brings up the child
- blabbermouth — a person who talks too much or indiscreetly
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.
- boehm system — a system of improved fingering and keying for the flute and clarinet, invented by the German musician Theobald Boehm (1794–1881).
- bomb shelter — a shelter, usually underground, in which people take refuge from bomb attacks
- booch method — (programming) A widely used object-oriented analysis and object-oriented design method.
- book matches — safety matches made of paper and fastened into a small cardboard folder
- bottom house — the open space beneath a house built upon high pillars
- boxing match — a competition between two boxers
- bristlemouth — any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws.
- bromomethane — methyl bromide.
- cabbage moth — a common brownish noctuid moth, Mamestra brassicae, the larva of which is destructive of cabbages and other plants
- camphor tree — a lauraceous evergreen E Asian tree, Cinnamomum camphora, whose aromatic wood yields camphor
- camphorating — Present participle of camphorate.
- cathetometer — an instrument measuring minute height differences
- cathiodermie — a beauty treatment for the skin, which involves using electrotherapy
- cephalometer — an instrument for positioning the human head for X-ray examination in cephalometry
- cephalometry — measurement of the dimensions of the human head by radiography: used mainly in orthodontics
- chamber tomb — a prehistoric tomb with a chamber inside it in which the body of an important person was laid to rest
- chapter room — a room for the use of the chapter of a religious institution
- chemiosmotic — relating to the process of chemiosmosis
- chemotherapy — Chemotherapy is the treatment of disease using chemicals. It is often used in treating cancer.
- chemotrophic — any organism that oxidizes inorganic or organic compounds as its principal energy source.
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- chirognomist — someone who studies chirognomy
- chlorimetric — of or relating to chlorimetry
- chlorophytum — any plant of the genus Chlorophytum, esp C. elatum variegatum, grown as a pot plant for its long narrow leaves with a light central stripe, and characterized by the production of offsets at the end of long scapes: family Liliaceae
- choirmasters — Plural form of choirmaster.
- chorusmaster — the conductor of a choir
- chrestomathy — a collection of literary passages, used in the study of language
- chromaticism — the use of chromatic tones.
- chromaticity — the quality of a colour or light with reference to its purity and its dominant wavelength
- chromatogram — a column or strip of material containing constituents of a mixture separated by chromatography
- chromatology — chromatics.
- chromatophil — Also, chromatophilic, chromatophilous [kroh-muh-tof-uh-luh s] /ˌkroʊ məˈtɒf ə ləs/ (Show IPA). chromophil (def 1).
- chromatopsia — an irregularity in the ability to see colours properly
- chrome steel — any of various hard rust-resistant steels containing chromium
- chromocenter — karyosome (def 1).
- chromonemata — a chromosome thread that is relatively uncoiled at early prophase but assumes a spiral form at metaphase.
- chromoplasts — Plural form of chromoplast.
- chronometers — Plural form of chronometer.
- chronometric — of a chronometer or chronometry
- chronosystem — A pattern of events and transitions over the course of a person's life.
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- chymotryptic — relating to chymotrypsin
- class method — (programming) 1. A method that operates on a class object (an object of class "class"). A class method is really just an ordinary object method that happens to operate on class objects. A class method might, for example, return a list of objects representing the methods and attributes of the given class. 2. A static method.
- close helmet — a completely closed helmet of the late 15th century and after, having a facial defense composed of a visor and beaver or of a visor, ventail, and beaver attached to a pivot on each side.
- closemouthed — not talking much; telling little; taciturn