9-letter words containing a, b, c, o
- look back — to turn one's eyes toward something or in some direction in order to see: He looked toward the western horizon and saw the returning planes.
- macrobian — Having an exceptionally long life span.
- maracaibo — a seaport in NW Venezuela.
- matchbook — a small cardboard folder into which several rows of paper matches are stapled or glued.
- metabolic — of, relating to, or affected by metabolism.
- 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.
- mobocracy — political control by a mob.
- mole crab — a burrowing crustacean of the genus Emerita, found on sandy ocean beaches of North America, having a distinctly curved carapace.
- monobasic — Chemistry. (of an acid) containing one replaceable hydrogen atom.
- monocable — an aerial ropeway having a single moving cable.
- morecambe — a port and resort in NW England, in NW Lancashire on Morecambe Bay (an inlet of the Irish Sea). Pop (with Heysham): 49 569 (2001)
- mosbacher — Emil, Jr ("Bus") 1922–1997, U.S. yacht racer and government official.
- mossbacks — Plural form of mossback.
- mozarabic — of, relating to, or characteristic of the Mozarabs: Mozarabic culture.
- non-black — a person who is not of a Black race
- nonblacks — Plural form of nonblack.
- noncombat — not including, entailing, or requiring combat: noncombat duty.
- notchback — a style of back for an automobile in which there is a sharp vertical drop-off from the roof line to the trunk.
- noticable — Misspelling of noticeable.
- obamacare — a federal law providing for a fundamental reform of the U.S. healthcare and health insurance system, signed by President Barack Obama in 2010: formally called Affordable Care Act or Patient Protection and Affordable Care Act.
- obclavate — inversely clavate.
- obconical — conical, with the attachment at the pointed end.
- obcordate — heart-shaped, with the attachment at the pointed end, as a leaf.
- obcuneate — inversely cuneate.
- obeisance — a movement of the body expressing deep respect or deferential courtesy, as before a superior; a bow, curtsy, or other similar gesture.
- obfuscate — to confuse, bewilder, or stupefy.
- objectpal — Object-oriented database language, part of Borland's MS-Windows version of Paradox.
- obscurant — a person who strives to prevent the increase and spread of knowledge.
- obsecrate — to entreat solemnly; beseech; supplicate.
- obstacles — Plural form of obstacle.
- obstinacy — the quality or state of being obstinate; stubbornness.
- ocean bed — the bottom of the ocean
- offenbach — Jacques [zhahk] /ʒɑk/ (Show IPA), 1819–80, French composer.
- orbicular — like an orb; circular; ringlike; spherical; rounded.
- osnabruck — a city in Lower Saxony, in NW Germany.
- outbacker — a person who lives in the Australian outback
- packboard — a rigid wooden or metal frame, covered with fabric and having shoulder straps, to which equipment can be strapped for carrying.
- parabolic — of, relating to, or involving a parable.
- peachblow — a delicate purplish pink.
- peribonca — a river in central Quebec, Canada, flowing S to Lake St. John. 280 miles (451 km) long.
- plow back — an agricultural implement used for cutting, lifting, turning over, and partly pulverizing soil.
- poachable — able to be poached
- polybasic — (of an acid) having two or more atoms of replaceable hydrogen.
- procambia — plant part in stem and root
- quebracho — any of several tropical American trees of the genus Schinopsis, having very hard wood, especially S. lorentzii, the wood and bark of which are important in tanning and dyeing.
- raceabout — a small, sloop-rigged racing yacht with a short bowsprit.
- rackboard — a board with holes into which organ pipes are fitted.