13-letter words containing o, n, t, e, r, h
- helen of troy — Also called Helen of Troy. Classical Mythology. the beautiful daughter of Zeus and Leda and wife of Menelaus whose abduction by Paris was the cause of the Trojan War.
- heliocentrism — The theory that the sun is the center of the universe, (This theory is historically important and was widely accepted at the time of Copernicus, Galileo and Kepler.).
- hell on earth — torment, horrendous experience
- hemiterpenoid — (chemistry) a terpenoid having a C5 skeleton.
- herborization — the act or process of herborizing
- here document — (operating system) Data included in a Unix shell script or Perl script using the "<<" syntax.
- herod antipas — died after a.d. 39, ruler of Galilee, a.d. 4–39: ordered the execution of John the Baptist and participated in the trial of Jesus.
- heroic stanza — elegiac stanza.
- heroin addict — sb dependent on heroin
- hertogenbosch — 's Hertogenbosch.
- heterochronic — a genetic shift in timing of the development of a tissue or anatomical part, or in the onset of a physiological process, relative to an ancestor.
- heterogeneity — the quality or state of being heterogeneous; composition from dissimilar parts; disparateness.
- heterogeneous — different in kind; unlike; incongruous.
- heterogenesis — Also, heterogeny [het-uh-roj-uh-nee] /ˌhɛt əˈrɒdʒ ə ni/ (Show IPA). alternation of generations, especially the alternation of parthenogenetic and sexual generations.
- heterogenetic — of, relating to, or characterized by heterogenesis.
- heteropolitan — a heterosexual man, typically living in a city, whose attitudes and interests are regarded as masculine but not excessively so
- 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.
- honest broker — a neutral person or organization that mediates disputes; an impartial mediator.
- 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.
- hornet's nest — a large amount of activity, trouble, hostility, or animosity: His investigation stirred up a hornet's nest, resulting in major shifts in personnel.
- horse gentian — any weedy North American plant of the genus Triosteum, of the honeysuckle family, especially T. perfoliatum, having stalkless leaves and purplish-brown flowers and bearing orange fruits.
- horse stinger — a dragonfly.
- horse trading — the act or fact of conducting a shrewd exchange or engaging in a horse trade; bargaining.
- horse-trading — to bargain or trade shrewdly.
- hotel manager — sb who runs a hotel
- house painter — a person whose occupation is painting houses.
- house-trained — housebroken.
- housed string — a string of a stair (housed stair) receiving the ends of the risers or treads in a series of housings.
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- hunt saboteur — A hunt saboteur is someone who tries to stop a hunt from taking place or being successful because they believe it is cruel to the animal being hunted.
- hunter's moon — the first full moon following the harvest moon in late September or early October.
- hunter's robe — pothos.
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hydronitrogen — a chemical compound containing only hydrogen and nitrogen.
- hydroxyketone — a ketone containing a hydroxyl group.
- hymenopterans — Plural form of hymenopteran.
- hymenopterous — belonging or pertaining to the Hymenoptera, an order of insects having, when winged, four membranous wings, and comprising the wasps, bees, ants, ichneumon flies, and sawflies.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hyperfunction — abnormally increased function, especially of glands or other organs.
- hypermutation — (uncountable) Frequent mutation.
- hyperrational — characterized by excessive rationality
- hyperromantic — extremely or excessively romantic
- hypertonicity — Physiology. of or relating to hypertonia.
- hyponatraemia — a condition in which there is a low concentration of sodium in the blood
- hyposecretion — a diminished secretion.
- hysteranthous — relating to a plant whose flowers open before its leaves
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.