7-letter words containing a, o, n
- occitan — Provençal (def 3).
- oceania — the islands of the central and S Pacific, including Micronesia, Melanesia, Polynesia, and traditionally Australasia. About 3,450,000 sq. mi. (8,935,500 sq. km).
- oceanic — of, living in, or produced by the ocean: oceanic currents.
- oceanid — any of the daughters of Oceanus and Tethys; a sea nymph.
- oceanus — a Titan who was the son of Uranus and Gaea, the consort of Tethys, and the father of the river gods and Oceanids.
- octagon — a polygon having eight angles and eight sides.
- octanol — an alcohol containing eight carbon atoms that is mainly used in the manufacture of plastics and perfumes
- octants — Plural form of octant.
- odd-man — noting or pertaining to a situation in which the players on one side outnumber those of the opposition.
- oddsman — a referee or arbitrator
- odonate — belonging or pertaining to the order Odonata, comprising the damselflies and dragonflies.
- odorant — an odorous substance or product.
- offhand — cavalierly, curtly, or brusquely: to reply offhand.
- ogygian — of very great age; prehistoric
- oil pan — the bottom part of the crankcase of an internal-combustion engine in which the oil used to lubricate the engine accumulates.
- 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).
- old man — a father, usually one's own: His old man's letting him have the car for the prom.
- oldowan — of or designating a Lower and Middle Pleistocene industrial complex of eastern Africa, characterized by assemblages of stone tools about two million years old that are the oldest well-documented artifacts yet known.
- ologoan — to complain loudly without reason
- omental — a fold of the peritoneum connecting the stomach and the abdominal viscera forming a protective and supportive covering.
- 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.
- on base — at a base, having reached it safely with a base hit, walk, etc.
- on call — to cry out in a loud voice; shout: He called her name to see if she was home.
- on hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- on heat — (of some female mammals) sexually receptive
- on loan — for temporary use
- on oath — under the obligation of an oath
- on sale — the act of selling.
- on seat — (of officials) in the office rather than on tour or on leave
- on-peak — peak1 (def 17).
- on-ramp — an entrance lane for traffic from a street to a turnpike or freeway.
- on-seam — inseam (def 3).
- on-task — focused on the job at hand
- onagers — Plural form of onager.
- 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.
- onboard — provided, occurring, etc., on a vehicle: among the ship's many onboard services.
- one day — someday: an unspecified day in the future
- one-act — a short play consisting of one act.
- one-man — of or relating to, or operated, performed, or used by one person: a one-man office; a one-man band.
- one-way — moving, or allowing movement in one direction only: a one-way street.
- oneonta — a city in E central New York.
- onitsha — a city in SW Nigeria, on the Niger River.