13-letter words containing c, h, o, n
- heterogenetic — of, relating to, or characterized by heterogenesis.
- heterostracan — any of several ostracoderms of the order Heterostraci, from the Silurian and Devonian Periods, having the anterior part of the body enclosed in bony plates.
- hexanoic acid — caproic acid.
- hieracosphinx — (in ancient Egyptian art) a hawk-headed sphinx
- historicizing — Present participle of historicize.
- histrionicism — histrionic behaviour or acts
- hitching post — a post to which horses, mules, etc., are tied.
- holy alliance — a league formed by the principal sovereigns of Europe in 1815 with the professed object of promoting Christian brotherhood but the practical object of repressing democratic revolutions and institutions. The English and Turkish rulers and Pope Pius VII did not join the league.
- home counties — The Home Counties are the counties which surround London.
- homeschooling — a school set up in the home.
- homing device — a mechanism incorporated into a guided missile, airplane, etc., that aims it toward its objective.
- homogenetical — of, involving or relating to homogeny
- honey creeper — any of several small, usually brightly colored birds, related to the tanagers and wood warblers, of tropical and semitropical America.
- honey stomach — the crop of an ant, bee, or other hymenopterous insect, serving as a reservoir for honeydew and nectar, especially the enlarged crop of a honeybee in which nectar is acted on by enzymes to form honey.
- honeycreepers — Plural form of honeycreeper.
- honor society — (in a college, university, or secondary school) a student society that admits members on the basis of academic merit and, sometimes, worthwhile contributions in extracurricular activities.
- honorifically — In a honorific manner.
- honoris causa — for the sake of honour
- honors course — a course in a university or college consisting largely of independent research terminating in a dissertation or a comprehensive examination, and earning for the student who passes it a degree with distinction.
- honour school — (at Oxford University) one of the courses of study leading to an honours degree
- horned scully — a tapered block of concrete with projecting steel rails, placed under water to tear holes in the bottoms of boats.
- horrification — That which causes horror.
- hors concours — noting an artist, architect, or the like, not competing or not qualified to compete for the prizes in an exhibit or competition.
- 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.
- 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).
- hydrocracking — the cracking of petroleum or the like in the presence of hydrogen.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hydrofracking — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hyperfunction — abnormally increased function, especially of glands or other organs.
- hyperromantic — extremely or excessively romantic
- hypertonicity — Physiology. of or relating to hypertonia.
- hypo-chondria — Also, hypochondriasis [hahy-poh-kuh n-drahy-uh-sis] /ˌhaɪ poʊ kənˈdraɪ ə sɪs/ (Show IPA). Psychiatry. an excessive preoccupation with one's health, usually focusing on some particular symptom, as cardiac or gastric problems.
- hypobranchial — situated below the gills or beneath the branchial arches.
- hypochondriac — Also, hypochondriacal, H05/H0509000 hahy-poh-kuh n-drahy-uh-kuh l, ˌhaɪ poʊ kənˈdraɪ ə kəl. Psychiatry. pertaining to or suffering from hypochondria, an excessive preoccupation with and worry about one's health: The comedy is aimed at the hypochondriac demographic. produced by hypochondria: Hypochondriac feelings overwhelmed her.
- hypochondrium — either of two regions of the abdomen, situated on each side of the epigastrium and above the lumbar regions.
- hyponymically — In a hyponymic way.
- hyposecretion — a diminished secretion.
- hypothecating — Present participle of hypothecate.
- hypothecation — to pledge to a creditor as security without delivering over; mortgage.
- iceman cometh — a play (1946) by Eugene O'Neill.
- 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
- ichthyopsidan — a member of the class Ichthyopsida
- iconographies — Plural form of iconography.