13-letter words containing c, h, o, u
- horror-struck — stricken with horror; horrified; aghast.
- hors concours — noting an artist, architect, or the like, not competing or not qualified to compete for the prizes in an exhibit or competition.
- horticultural — the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants.
- hortus siccus — a collection of dried plants; herbarium.
- host computer — the main computer in a network: controls or performs certain functions for other computers.
- hot cross bun — a bun with a cross of frosting on it, eaten chiefly during Lent.
- house counsel — a lawyer drawing a full-time salary from a corporation that he or she represents.
- house cricket — a dark brown cricket, Acheta domesticus, having a light-colored head with dark crossbands, commonly occurring throughout North America and Europe, where it may be an indoor pest.
- house officer — a doctor who is the most junior member of the medical staff of a hospital, usually resident in the hospital
- housecleaning — the act of cleaning a house, room, etc., and its furnishings, especially the act of cleaning thoroughly and completely.
- housing stock — the total number of houses, flats, etc, in an area
- human cloning — the act of producing a human as a clone
- human ecology — ecology (def 4).
- hydrocephalus — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hydrofracture — (geology) Rock fracture caused by the pressure of freezing water.
- hydrosulfuric — (chemistry) Derived from hydrogen sulfide considered as hydrosulfuric acid.
- hydrotelluric — (chemistry) Formed by hydrogen and tellurium.
- hypercautious — Especially or unreasonably cautious.
- hyperfunction — abnormally increased function, especially of glands or other organs.
- hyperproducer — an increased or rapid producer
- hypochondrium — either of two regions of the abdomen, situated on each side of the epigastrium and above the lumbar regions.
- hypoeutectoid — (of steel) having less carbon than the 0.8 percent of eutectoid steel.
- hyposulphuric — relating to sulphur which is in a lower state of oxidation than it is in sulphuric compounds
- hyracotherium — eohippus.
- ichneumon fly — any of numerous wasplike insects of the family Ichneumonidae, the larvae of which are parasitic on caterpillars and immature stages of other insects.
- ichthyofaunal — relating to ichthyofauna
- ichthyosaurus — ichthyosaur.
- immunochemist — A chemist whose speciality is immunochemistry.
- in the clouds — a visible collection of particles of water or ice suspended in the air, usually at an elevation above the earth's surface.
- inductothermy — the production of fever by means of electromagnetic induction.
- insulin shock — a state of collapse caused by a decrease in blood sugar resulting from the administration of excessive insulin.
- isochronously — In an isochronous manner.
- jodhpuri coat — a coat worn by men in India, similar to but shorter than a sherwani
- john q public — the average or typical U.S. citizen: an entertainment aimed at Mr. and Mrs. John Q. Public.
- john suckling — Sir John, 1609–42, English poet.
- johnny canuck — a personification of Canada
- junior school — a school for children aged seven to eleven, similar to a U.S. elementary school.
- keep in touch — stay in contact
- lace-up shoes — shoes which are fastened with laces
- laughingstock — an object of ridicule; the butt of a joke or the like: His ineptness as a public official made him the laughingstock of the whole town.
- launch window — a precise time period during which a spacecraft can be launched from a particular site in order to achieve a desired mission, as a rendezvous with another spacecraft.
- lecherousness — The property of being lecherous.
- leptocephalus — a colorless, transparent, flattened larva, especially of certain eels and ocean fishes.
- leucitohedron — a trapezohedron
- lissotrichous — having straight hair.
- literacy hour — (in England and Wales) a daily reading and writing lesson that was introduced into the national primary school curriculum in 1998 to raise standards of literacy
- logical truth — the property of being logically tautologous
- lophotrichous — (biology, of bacteria) Having multiple flagella located at the same point, so that they can act in concert to drive the bacterium in a single direction.
- low churchman — a person who advocates or follows Low Church practices.
- lunch counter — a counter, as in a store or restaurant, where light meals and snacks are served or are sold to be taken out.