13-letter words containing a, e, n, o, u
- he's your man — he's the person needed (for a particular task, role, job, etc)
- heart surgeon — a surgeon who specializes in performing operations on the heart
- 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.
- 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.
- hilariousness — The characteristic of being hilarious; hilarity.
- homologoumena — the books in the New Testament generally held as authoritative and canonical by the early church.
- honey buzzard — a long-tailed Old World hawk, Pernis apivorus, that feeds on the larvae of bees as well as on small rodents, reptiles, and insects.
- house journal — a publication produced for the employees of a company or organization in order to keep them updated with news and events
- house manager — a business manager responsible for managing a theater and its staff.
- house painter — a person whose occupation is painting houses.
- house-raising — a gathering of persons in a rural community to help one of its members build a house.
- house-trained — housebroken.
- house-warming — a party to celebrate a person's or family's move to a new home.
- housebreaking — to train (a pet) to excrete outdoors or in a specific place.
- housecleaning — the act of cleaning a house, room, etc., and its furnishings, especially the act of cleaning thoroughly and completely.
- househusbands — Plural form of househusband.
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- housewarmings — Plural form of housewarming.
- hub-and-spoke — of or designating a system of air transportation by which local flights carry passengers to one major regional airport where they can board long-distance or other local flights for their final destinations.
- human ecology — ecology (def 4).
- 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.
- hyaluronidase — Biochemistry. a mucolytic enzyme found in the testes, in snake venom, and in hemolytic streptococci and certain other bacteria, that decreases the viscosity of the intercellular matrix by breaking down hyaluronic acid.
- hypermutation — (uncountable) Frequent mutation.
- 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.
- importunately — urgent or persistent in solicitation, sometimes annoyingly so.
- in default of — If something happens in default of something else, it happens because that other thing does not happen or proves to be impossible.
- inconcludable — Impossible to conclude; unfinishable.
- inconquerable — That cannot be conquered; unconquerable.
- inconstruable — unable to be construed
- incorruptable — Misspelling of incorruptible.
- incouragement — Archaic form of encouragement.
- indo-european — a large, widespread family of languages, the surviving branches of which include Italic, Slavic, Baltic, Hellenic, Celtic, Germanic, and Indo-Iranian, spoken by about half the world's population: English, Spanish, German, Latin, Greek, Russian, Albanian, Lithuanian, Armenian, Persian, Hindi, and Hittite are all Indo-European languages. Compare family (def 14).
- inefficacious — not able to produce the desired effect; ineffective.
- inner harbour — a part of a harbour which is further inland
- instantaneous — occurring, done, or completed in an instant: an instantaneous response.
- insubordinate — not submitting to authority; disobedient: an insubordinate soldier.
- insupportable — not endurable; unbearable; insufferable: insupportable pain.
- intercommunal — used or shared in common by everyone in a group: a communal jug of wine.
- interlunation — the interlunar period.
- intermountain — located between mountains or mountain ranges: an intermontane lake.
- interneuronal — (neurology) Between neurons.
- interosculant — Mutually touching or intersecting.
- interosculate — to interpenetrate; inosculate.
- intravenously — through or within a vein. Abbreviation: IV.
- involute gear — a gear tooth form that is generated by involute geometry
- jequitinhonha — a river in E Brazil, flowing from the state of Minas Gerais to the Atlantic Ocean. 500 miles (805 km) long.
- journal entry — sth written in a diary
- juan de onate — Juan de [hwahn de] /ʰwɑn dɛ/ (Show IPA), 1550?–1624, Spanish explorer who colonized New Mexico.