9-letter words containing r, i, b, o
- iceboater — a person who races iceboats, especially as a hobby or in competition.
- ignorable — to refrain from noticing or recognizing: to ignore insulting remarks.
- imbroglio — a misunderstanding, disagreement, etc., of a complicated or bitter nature, as between persons or nations.
- improbity — lack of honesty or moral scruples.
- incubator — an apparatus in which eggs are hatched artificially.
- inebrious — (archaic) intoxicated; drunk.
- inhabitor — One who inhabits.
- inhibitor — a person or thing that inhibits.
- interbond — (chemistry) Between bonds.
- iron blue — any of the class of blue pigments having a high tinting strength and ranging in shade and in coloring properties from reddish blue to jet blue: used chiefly in the manufacture of paints and printing inks.
- ironbound — bound with iron.
- isallobar — a line on a weather map or chart connecting points having equal pressure changes.
- ivorybill — The ivory-billed woodpecker (Campephilus principalis).
- jaborandi — any of several South American shrubs belonging to the genus Pilocarpus, of the rue family.
- joint bar — one of a pair of bars used to join two rails longitudinally.
- khouribga — a city in W central Morocco.
- kickboard — a buoyant, usually small board that is used to support the arms of a swimmer, used chiefly in practicing kicking movements.
- kickboxer — someone who practises kickboxing
- kirovabad — a city in NW Azerbaijan.
- kiteboard — A specialized light weight wakeboard used for kiteboarding.
- korzybski — Alfred (Habdank Skarbek) [hab-dangk skahr-bek;; Polish hahp-dahngk skahr-bek] /ˈhæb dæŋk ˈskɑr bɛk;; Polish ˈhɑp dɑŋk ˈskɑr bɛk/ (Show IPA), 1879–1950, U.S. writer on general semantics, born in Poland.
- laborious — requiring much work, exertion, or perseverance: a laborious undertaking.
- laborists — Plural form of laborist.
- laborites — Plural form of laborite.
- labouring — (British, Canada) present participle of labour.
- labourism — Support for the labour movement, the development of a collective organization of working people to campaign for better working conditions and treatment.
- labourist — a member or supporter of the Labour party.
- labourite — a member or supporter of the Labour party.
- liberator — a four-engined heavy bomber widely used over Europe and the Mediterranean by the U.S. Army Air Force in World War II. Symbol: B-24.
- libration — a real or apparent oscillatory motion, especially of the moon.
- libratory — oscillatory.
- librettos — Plural form of libretto.
- libriform — (of a fibre of woody tissue) elongated and having a pitted thickened cell wall
- lockerbie — a town in SW Scotland, in Dumfries and Galloway: scene (1988) of the UK's worst air disaster when a passenger jet (Pan Am flight 103) was brought down by a terrorist bomb, killing 270 people, including eleven residents of the town. Pop: 4009 (2001)
- lombardia — a region of N central Italy, bordering on the Alps: dominated by prosperous lordships and city-states during the Middle Ages; later ruled by Spain and then by Austria before becoming part of Italy in 1859; intensively cultivated and in parts highly industrialized. Pop: 9 108 645 (2003 est). Area: 23 804 sq km (9284 sq miles)
- lombardic — a native or inhabitant of Lombardy.
- louisburg — a seaport on SE Cape Breton Island, Nova Scotia, in SE Canada: French fortress captured by British 1745, 1758.
- love bird — any of various small parrots, especially of the genus Agapornis, of Africa, noted for the affection shown one another and often kept as pets.
- lovebirds — any of various small parrots, especially of the genus Agapornis, of Africa, noted for the affection shown one another and often kept as pets.
- lubricous — (of a surface, coating, etc.) having an oily smoothness; slippery.
- macrobian — Having an exceptionally long life span.
- mainboard — (computing) motherboard.
- māori bug — a large shining black wingless cockroach of New Zealand, Platyzosteria novae-zelandiae
- maracaibo — a seaport in NW Venezuela.
- merbromin — an iridescent green, water-soluble powder, C 2 0 H 8 Br 2 HgNa 2 O 6 , that forms a red solution when dissolved in water: used as an antiseptic and as a germicide.
- microbars — Plural form of microbar.
- microbeam — (physics) A beam having a small cross section.
- microbial — a microorganism, especially a pathogenic bacterium.
- microbian — (biology) Of, relating to, or caused by, microbes; microbial.
- microblog — to post very short entries, as a brief update or a photo, on a blog or social media website: A lot of people were microblogging during the crisis.