7-letter words containing i, o, n, a
- oilcans — Plural form of oilcan.
- oilsand — Alternative spelling of oil sand.
- okaying — Present participle of okay.
- okinawa — the largest of the Ryukyu Islands, in the N Pacific, SW of Japan: taken by U.S. forces April–June 1945 in the last major amphibious campaign of World War II. 544 sq. mi. (1409 sq. km).
- ominate — (obsolete) To presage; to foreshow; to foretoken.
- omniana — Pieces of information concerning everything.
- omnifax — Alternate name for NYU OMNIFAX? Early system on UNIVAC I or II. Listed in CACM 2(5):16 (May 1959).
- omnitab — Statistical analysis and desk calculator. Version: OMNITAB II.
- onanism — withdrawal of the penis in sexual intercourse so that ejaculation takes place outside the vagina; coitus interruptus.
- onanist — withdrawal of the penis in sexual intercourse so that ejaculation takes place outside the vagina; coitus interruptus.
- onassis — Aristotle Socrates, 1906–75, Greek businessman, born in Turkey.
- onitsha — a city in SW Nigeria, on the Niger River.
- ontario — a province in S Canada, bordering on the Great Lakes. 412,582 sq. mi. (1,068,585 sq. km). Capital: Toronto.
- onychia — inflammation of the matrix of the nail.
- oogonia — one of the undifferentiated germ cells giving rise to oocytes.
- opaline — of or like opal; opalescent.
- oppidan — of a town; urban.
- opuntia — A cactus of a genus that comprises the prickly pears.
- oranian — Ibero-Maurusian.
- orarian — a person who lives on the coast
- orarion — a stole worn by deacons.
- orating — Present participle of orate.
- oration — a formal public speech, especially one delivered on a special occasion, as on an anniversary, at a funeral, or at academic exercises.
- ordains — Third-person singular simple present indicative form of ordain.
- ordinal — of or relating to an order, as of animals or plants.
- organic — noting or pertaining to a class of chemical compounds that formerly comprised only those existing in or derived from plants or animals, but that now includes all other compounds of carbon.
- orthian — having a high pitch
- osirian — the king and judge of the dead, the husband and brother of Isis, and father (or brother) of Horus, killed by Set but later resurrected (after Horus killed Set): usually depicted as a man, partly wrapped as a mummy, having a beard and wearing the atef-crown.
- osman i — 1259–1326, Turkish sultan; founder of the Ottoman Empire
- osmanli — an Ottoman.
- otarine — relating to seals with ears
- ouabain — a glycoside occurring as a white, crystalline powder, C 2 9 H 4 4 O 1 2 , obtained from the seeds of a shrub, Strophanthus gratus, or from the wood of trees of the genus Acokanthera, and used in medicine chiefly as a cardiac stimulant.
- oubangi — French name of Ubangi.
- outgain — to gain more than
- ovarian — of or relating to an ovary.
- ovation — an enthusiastic public reception of a person, marked especially by loud and prolonged applause.
- ovidian — (Publius Ovidius Naso) 43 b.c.–a.d. 17? Roman poet.
- oxazine — any of a group of 13 compounds having the formula C 4 H 5 NO, the atoms of which are arranged in a six-membered ring.
- oxidane — water; H 2 O.
- oxidant — a chemical agent that oxidizes.
- oxonian — of or relating to Oxford, England, or to Oxford University (in England).
- paction — an agreement or bargain
- padrino — a godfather.
- padroni — a master; boss.
- pahouin — Fang (def 1).
- paillon — a sheet of thin metallic foil used decoratively in enameling and gilding.
- paisano — paisan.
- paniolo — a person who herds cattle; cowboy.
- paoking — Baoqing.
- paoting — a city in central Hebei province, in NE China.