12-letter words containing a, m, o, n
- hemiplankton — plankton that spend part of their life cycle in a vegetative state on the sea bottom, riverbed, etc. (opposed to holoplankton).
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemorrhaging — a profuse discharge of blood, as from a ruptured blood vessel; bleeding.
- high command — the leadership or highest authority of a military command or other organization.
- hire company — a company that hires things out to people
- hofmannsthal — Hugo von [hoo-goh fuh n] /ˈhu goʊ fən/ (Show IPA), 1874–1929, Austrian poet, playwright, and librettist.
- home and dry — If you say that someone is, in British English home and dry, or in American English home free, you mean that they have been successful or that they are certain to be successful.
- home banking — a system whereby a person at home or in an office can use a computer with a modem to call up information from a bank or to transfer funds electronically
- home machine — 1. Synonym home box. 2. The machine that receives your e-mail. These senses might be distinct, for example, for a hacker who owns one computer at home, but reads e-mail at work.
- home staging — the professional service of preparing homes for sale in such a way as to appeal to potential buyers and generate higher selling prices: Realtors who encourage sellers to invest in home staging are reporting substantial monetary returns—for both themselves and their clients.
- homesteading — a dwelling with its land and buildings, occupied by the owner as a home and exempted by a homestead law from seizure or sale for debt.
- hominization — the evolution of the human traits that set the genus Homo apart from its primate ancestors.
- homo sapiens — (italics) the species of bipedal primates to which modern humans belong, characterized by a brain capacity averaging 1400 cc (85 cubic in.) and by dependence upon language and the creation and utilization of complex tools.
- homodynamous — (biology) Pertaining to, or involving, homodynamy.
- homologation — to approve; confirm or ratify.
- homologumena — the books in the New Testament generally held as authoritative and canonical by the early church.
- homoromantic — Romantically attracted to those of the same gender.
- hop hornbeam — any of several Eurasian and North American trees of the genus Ostrya, of the birch family, especially O. virginiana, bearing hoplike fruiting clusters.
- hope diamond — a sapphire-blue Indian diamond, the largest blue diamond in the world, weighing 44.5 carats and supposedly cut from a bigger diamond that was once part of the French crown jewels: now in the Smithsonian Institution.
- horse manure — horse's excrement
- horse marine — (formerly) a marine mounted on horseback or a cavalryman doing duty on shipboard.
- horsemanship — the art, ability, skill, or manner of a horseman.
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- housewarming — a party to celebrate a person's or family's move to a new home.
- huffman code — Huffman coding
- human comedy — French La Comédie Humaine. a collected edition of tales and novels in 17 volumes (1842–48) by Honoré de Balzac.
- human genome — genetic code of human beings
- humanisation — Alternative form of humanization.
- humanization — to make humane, kind, or gentle.
- humification — the formation of humus.
- humiliations — Plural form of humiliation.
- hydrodynamic — pertaining to forces in or motions of liquids.
- hymenoplasty — (medicine) Plastic surgery affecting a woman's hymen, usually involving reconstruction to the unbroken condition ordinarily characteristic of virginity.
- hymenopteran — hymenopterous.
- hypersomniac — a tendency to sleep excessively.
- hypogonadism — diminished hormonal or reproductive functioning in the testes or the ovaries.
- hypomyotonia — abnormally diminished muscular tone.
- hyponatremia — (medicine) An abnormally low concentration of sodium (or salt) in blood plasma.
- hysteromania — unusually increased sexual desire in a woman
- iceland moss — an edible lichen, Cetraria islandica, of arctic regions, containing a starchlike substance used in medicine.
- iconomachist — a person who campaigns against the use of icons in religious worship
- idiodynamics — a system of beliefs in psychology emphasizing the role of the personality in choosing stimuli and in organizing responses.
- illimitation — the state of being infinite
- illumination — an act or instance of illuminating.
- illuminators — Plural form of illuminator.
- illuminatory — Increasing informative qualities; explanatory.
- imbibitional — relating to imbibition
- immigrations — Plural form of immigration.
- immiseration — to make miserable.
- immoderation — lack of moderation.