10-letter words containing n, o, i, r
- irrenowned — not famous or renowned
- irrigation — the artificial application of water to land to assist in the production of crops.
- irritation — the act of irritating or the state of being irritated.
- irrorating — Present participle of irrorate.
- irrumation — Vigorous oral sex; the active penetration of a mouth with a penis.
- irruptions — Plural form of irruption.
- isabnormal — a line on a map or chart connecting points having an equal deviation from the normal value of some meteorological quantity, as temperature.
- isentropes — a line on a map or chart joining points having equal entropy.
- isentropic — having a constant entropy.
- iso rating — a classification of film speed in which a doubling of the ISO number represents a doubling in sensitivity; for example, ISO 400 film requires half the exposure of ISO 200 under the same conditions. The system uses identical numbers to the obsolete ASA rating
- isoborneol — (organic compound) The exo-isomer of borneol.
- isochronal — equal or uniform in time.
- isochronon — A clock designed to keep very accurate time.
- isoflurane — a volatile, halogenated ether, C 3 H 2 ClF 5 O, used as a general anesthetic in surgery.
- isoprenoid — pertaining to, derived from, or similar to isoprene.
- iterations — the act of repeating; a repetition.
- jaborandis — Plural form of jaborandi.
- jaguarondi — Alternative spelling of jaguarundi.
- jailbroken — an escape from prison, especially by forcible means.
- janitorial — a person employed in an apartment house, office building, school, etc., to clean the public areas, remove garbage, and do minor repairs; caretaker.
- jargonized — Simple past tense and past participle of jargonize.
- jeoparding — Present participle of jeopard.
- john firth — John Rupert, 1890–1960, English linguist.
- joint heir — a person who shares with another, or others, the right to inherit a person's money, property, or title when that person dies
- jointuress — A woman to whom an estate is bequeathed via jointure.
- jointworms — Plural form of jointworm.
- journaling — The activity of keeping a diary, also known as journal.
- journalise — Alternative spelling of journalize.
- journalism — the occupation of reporting, writing, editing, photographing, or broadcasting news or of conducting any news organization as a business.
- journalist — a person who practices the occupation or profession of journalism.
- journalize — to tell or relate as one would in keeping a journal.
- journeying — a traveling from one place to another, usually taking a rather long time; trip: a six-day journey across the desert.
- jouy print — toile de Jouy.
- kairomones — Plural form of kairomone.
- kenilworth — a town in central Warwickshire, in central England, SE of Birmingham.
- keratinous — composed of or resembling keratin; horny.
- kid around — behave jokingly or playfully
- kidney ore — a form of hematite that occurs in kidney-shaped masses
- kidneywort — the navelwort, Umbilicus rupestris, of the stonecrop family, having drooping yellowish-green flowers.
- kilmarnock — Official name Kilmarnock and Loudon. an administrative district in the Strathclyde region, in SW Scotland.
- king cobra — a cobra, Ophiophagus hannah, of southeastern Asia and the East Indies, that grows to a length of more than 15 feet (5 meters): the largest of the venomous snakes.
- kingsolver — Barbara, born 1955, U.S. novelist, short-story writer, and essayist.
- kinsperson — A kinsman or kinswoman.
- knobkerrie — a short, heavy wooden club with a knob on one end, used especially by native peoples of South Africa for striking and throwing.
- koh-i-noor — an Indian diamond weighing 106 carats; now part of the British crown jewels.
- konditorei — (often initial capital letter) a German pastry and coffee shop.
- koniggratz — German name of Hradec Králové.
- konigsberg — a former province in NE Germany: an enclave separated from Germany by the Polish Corridor; now divided between Poland and the Russian Federation. 14,283 sq. mi. (36,993 sq. km). Capital: Königsberg.
- kryptonite — The one weakness of something or someone that is otherwise invulnerable, an Achilles' heel.
- kuropatkin — Aleksei Nikolaevich [uh-lyi-ksyey nyi-kuh-lah-yi-vyich] /ʌ lyɪˈksyeɪ nyɪ kʌˈlɑ yɪ vyɪtʃ/ (Show IPA), 1848–1925, Russian general.