7-letter words containing r, i, o
- isogriv — a line on a map or chart connecting points of uniform grid variation.
- isomers — Chemistry. a compound displaying isomerism with one or more other compounds.
- isopyre — an impure variety of opal, containing alumina, lime, and iron sesquioxide.
- isotron — a device for separating small quantities of isotopes by ionizing them and separating the ions by a mass spectrometer
- ivorian — a republic in W Africa: formerly part of French West Africa; gained independence 1960. 127,520 sq. mi. (330,275 sq. km). Capital: Abidjan.
- ivories — the hard white substance, a variety of dentin, composing the main part of the tusks of the elephant, walrus, etc.
- ivorine — (obsolete) Made of ivory.
- ivorist — a worker in ivory
- jabroni — (professional wrestling slang) a performer whose primary role is to lose to established talent.
- janitor — a person employed in an apartment house, office building, school, etc., to clean the public areas, remove garbage, and do minor repairs; caretaker.
- jericho — an ancient city of Palestine, N of the Dead Sea, formerly in W Jordan; occupied by Israel 1967–94; since 1994 under Palestinian self-rule.
- joinder — the act of joining.
- joiners — Plural form of joiner.
- joinery — the craft or trade of a joiner.
- jointer — the place at which two things, or separate parts of one thing, are joined or united, either rigidly or in such a way as to permit motion; juncture.
- jollier — a person who jollies, especially a person who uses teasing flattery in order to gain a desired aim.
- jowlier — Comparative form of jowly.
- joyride — a pleasure ride in an automobile, especially when the vehicle is driven recklessly or used without the owner's permission.
- juniors — Plural form of junior.
- kachori — An Indian snack of flour with beans and spices.
- karoshi — (in Japan) death caused by overwork
- kia ora — greetings! good luck!
- kidporn — child pornography.
- kilgore — a city in NE Texas.
- kilobar — a unit of pressure, equal to 1000 bars (14,500 pounds per square inch; equivalent to 100 megapascals). Abbreviation: kb.
- kilorad — one thousand rads
- kinross — a historic county in E Scotland.
- kirimon — one of the two emblems of the imperial family of Japan, composed of paulownia leaves and flowers
- kirkton — a village or town with a parish church
- kobarid — a village in W Slovenia, formerly in Italy: defeat of the Italians by the Germans and Austrians 1917.
- konakri — a seaport in and the capital of Guinea, in NW Africa.
- kookier — Comparative form of kooky.
- koradji — boyla.
- koranic — Alternative spelling of Qur'anic.
- korowai — a decorative woven cloak worn by a Māori chief
- kushiro — a city in SE Hokkaido, Japan.
- labroid — any percoid fish of the family Labridae (wrasses)
- leofric — died 1057, earl of Mercia c1030–57 (husband of Lady Godiva).
- leporid — an animal of the family Leporidae, comprising the rabbits and hares.
- liberos — Plural form of libero.
- lictors — Plural form of lictor.
- lienors — Plural form of lienor.
- lifford — the county town of Donegal, Republic of Ireland; market town. Pop: 1395 (2002)
- ligroin — a flammable mixture of hydrocarbons that boils at from 20°C to 135°C, obtained from petroleum by distillation and used as a solvent.
- linkrot — the condition of a website link not being updated, with the result that the host website is no longer hyperlinked to the desired website
- linuron — The herbicide N'-(3,4-dichlorophenyl)-N-methoxy-N-methyl-urea.
- liquors — Plural form of liquor.
- liriope — any of several plants belonging to the genus Liriope, of the lily family, having tufted, grasslike leaves and clusters of small bluish or white flowers.
- litprog — literate programming
- livorno — a seaport in W Italy on the Ligurian Sea.