13-letter words containing h, o, t, a, n
- heartbrokenly — In a heartbroken manner.
- heartstopping — Very exciting or shocking, as though to cause one's heart to skip beats.
- heat equation — a partial differential equation the solution of which gives the distribution of temperature in a region as a function of space and time when the temperature at the boundaries, the initial distribution of temperature, and the physical properties of the medium are specified.
- heating power — power that can be used to heat something
- hell on earth — torment, horrendous experience
- hellenization — to make Greek in character.
- hematogenesis — hematopoiesis.
- hematosalpinx — (medicine) A medical condition involving bleeding into the Fallopian tubes.
- heptadecanoic — as in heptadecanoic acid, a saturated fatty acid, aka margaric acid
- herborization — the act or process of herborizing
- 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
- hessian boots — a knee-high tasseled boot, fashionable in England in the early 19th century.
- 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.
- hexamethonium — a compound, C 10 H 24 N 2 , used in the treatment of severe hypertension to lower blood pressure and increase blood flow by blocking transmission of nerve impulses that constrict blood vessels.
- histogramming — (mathematics) The construction of histograms.
- homogenetical — of, involving or relating to homogeny
- 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.
- honourability — A state or condition or being honourable.
- horizontality — at right angles to the vertical; parallel to level ground.
- horrification — That which causes horror.
- horripilation — a bristling of the hair on the skin from cold, fear, etc.; goose bumps.
- 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 trading — the act or fact of conducting a shrewd exchange or engaging in a horse trade; bargaining.
- horse-trading — to bargain or trade shrewdly.
- hospitalizing — Present participle of hospitalize.
- host an event — If a hotel or organization hosts an event, it provides the facilities for the event to take place.
- hot and heavy — having or giving off heat; having a high temperature: a hot fire; hot coffee.
- hotel manager — sb who runs a hotel
- hotheadedness — The state or characteristic of being hotheaded; the tendency to be easily infuriated or provoked.
- house painter — a person whose occupation is painting houses.
- house-trained — housebroken.
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- housing start — an instance of beginning the construction of a dwelling.
- hudson strait — a strait connecting Hudson Bay and the Atlantic. 450 miles (725 km) long; 100 miles (160 km) wide.
- 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.
- hyalinization — a condition in which normal tissue deteriorates into a homogeneous, translucent material.
- hybridisation — Alternative form of hybridization.
- hybridization — to cause to produce hybrids; cross.
- hydroboration — (chemistry) the production or organoboranes by the addition of diborane to unsaturated organic compounds.
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydroxylation — (organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement of a hydrogen atom.
- hymenopterans — Plural form of hymenopteran.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hypermutation — (uncountable) Frequent mutation.
- hyperrational — characterized by excessive rationality