12-letter words containing o, h, m, s
- bomb shelter — a shelter, usually underground, in which people take refuge from bomb attacks
- bombay hills — a row of hills marking the southern boundary of greater Auckland on the North Island, New Zealand
- bonus scheme — a scheme in a company or other organization according to which employees receive a bonus if they meet specified targets
- 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
- bristlemouth — any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws.
- bromhidrosis — the secretion of foul-smelling sweat.
- bronchospasm — an abnormal contraction of the bronchi resulting in restriction of the airway
- cash economy — an economic system, or part of one, in which financial transactions are carried out in cash rather than via direct debit, standing order, bank transfer, or credit card
- chain smoker — person: smokes heavily
- chain-smoker — A chain-smoker is a person who chain-smokes.
- championship — A championship is a competition to find the best player or team in a particular sport.
- charm school — a school teaching manners and social skills
- chasmogamous — pertaining to or having pollination occur in a fully opened flower.
- chaulmoogras — Plural form of chaulmoogra.
- cheesemonger — a person dealing in cheese, butter, etc
- chemiosmosis — the mechanism by which the synthesis and utilization of the biochemical energy source ATP is regulated: the energy generated by oxidative phosphorylation generates a proton gradient across the membrane of the mitochondrion that drives the enzymic resynthesis of ATP
- chemiosmotic — relating to the process of chemiosmosis
- chemokinesis — the random movement of cells, such as leucocytes, stimulated by substances in their environment
- chemosensory — sensitive to chemical stimuli, as the sensory nerve endings that mediate taste and smell.
- chemosurgery — a method of treating cancer involving the use of chemicals to destroy malignant tissue or skin
- chemotropism — the growth response of an organism, esp a plant, to a chemical stimulus
- chirognomist — someone who studies chirognomy
- choirmasters — Plural form of choirmaster.
- chondriosome — mitochondrion
- chord symbol — any of a series of letters and numerals, used as a shorthand indication of chords, esp in jazz, folk, or pop music
- chorusmaster — the conductor of a choir
- chrestomathy — a collection of literary passages, used in the study of language
- chromaticism — the use of chromatic tones.
- chromatopsia — an irregularity in the ability to see colours properly
- chrome steel — any of various hard rust-resistant steels containing chromium
- chromidrosis — the secretion of pigmented sweat.
- chromiferous — Containing, or yielding chromium.
- chromophores — Plural form of chromophore.
- chromoplasts — Plural form of chromoplast.
- chromosphere — a gaseous layer of the sun's atmosphere extending from the photosphere to the corona and visible during a total eclipse of the sun
- chronometers — Plural form of chronometer.
- chronosystem — A pattern of events and transitions over the course of a person's life.
- chrysomelids — Plural form of chrysomelid.
- chylomicrons — Plural form of chylomicron.
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- 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
- clothes moth — any of various tineid moths, esp Tineola bisselliella, the larvae of which feed on wool or fur
- color scheme — In a room or house, the color scheme is the way in which colors have been used to decorate it.
- column shift — A column shift is a gearshift lever mounted on the steering column.
- common shrew — a small mouse-like long-snouted mammal, Sorex araneus, of the family Soricidae: order Insectivora (insectivores)
- compost heap — an outdoor pile of compostabale material that degrades into compost
- consumership — the state of being a consumer