9-letter words containing a, e, r, o
- lone pair — shoes, eyes
- long ream — 500 sheets of paper
- longbeard — bellarmine.
- loo paper — toilet paper
- lop-eared — having ears that droop or hang down.
- lorazepam — a benzodiazepine drug, C 15 H 10 Cl 2 N 2 O 2 , used chiefly in the management of acute anxiety and for insomnia.
- lossmaker — a business that consistently operates at a loss.
- lovecraft — H(oward) P(hillips) 1890–1937, U.S. horror-story writer.
- lovegrass — any grass of the genus Eragrostis, as E. curvula (weeping lovegrass) and E. trichodes (sand lovegrass) cultivated as forage and ground cover.
- lovemaker — Someone who makes love.
- low water — water at its lowest level, as in a river.
- low-grade — of an inferior quality, worth, value, etc.: The mine yields low-grade silver ore.
- lower jaw — the mandible or lower part of the skull of a vertebrate that frames the mouth and holds the teeth. In higher vertebrates the lower jaw is fused to the cranium and the upper jaw
- lowercase — (of an alphabetical letter) of a particular form often different from and smaller than its corresponding capital letter, and occurring after the initial letter of a proper name, of the first word in a sentence, etc. Examples: a, b, q, r.
- lowlander — a native of the Lowlands.
- macerator — to soften or separate into parts by steeping in a liquid.
- macgregor — Joanna (Clare). born 1959, British concert pianist and broadcaster; recordings include the "crossover" album Play (2001)
- macrocode — a single code that contains a set of instructions.
- macrocyte — an abnormally large red blood cell.
- macrodome — a dome the faces of which are parallel to the greater lateral axis.
- macroetch — to etch deeply into the surface of (a metal).
- macrolide — Any of a class of antibiotics containing a lactone ring, of which the first and best known is erythromycin.
- macromere — one of the large blastomeres that form toward the vegetal pole in embryos undergoing unequal cleavage.
- macropore — Any pore sufficiently wide to allow water to flow unimpeded by capillary action.
- macrotape — (storage) /mak'roh-tayp/ An industry-standard reel of magnetic tape, as opposed to a microtape. See also round tape.
- madperson — (gender-neutral) A madman or madwoman.
- madrepore — any true or stony coral of the order Madreporaria, forming reefs or islands in tropical seas.
- madrileno — a native or inhabitant of Madrid, Spain.
- maelstrom — a large, powerful, or violent whirlpool.
- magnetron — a two-element vacuum tube in which the flow of electrons is under the influence of an external magnetic field, used to generate extremely short radio waves.
- mailorder — Ordered to be delivered to one's home.
- major key — a key whose essential harmony is based on the major scale.
- majorette — drum majorette.
- make over — to bring into existence by shaping or changing material, combining parts, etc.: to make a dress; to make a channel; to make a work of art.
- make-work — work, usually of little importance, created to keep a person from being idle or unemployed.
- makeovers — Plural form of makeover.
- malformed — faultily or anomalously formed.
- malipiero — Gian Francesco [jahn frahn-che-skaw] /dʒɑn frɑnˈtʃɛ skɔ/ (Show IPA), 1882–1973, Italian composer.
- malleolar — pertaining to a malleolus.
- mamberamo — a river in Irian Jaya, W New Guinea, flowing NW to the Pacific Ocean. 500 miles (805 km) long.
- man power — the power supplied by human physical exertions: an ancient building constructed entirely by man power.
- maneouvre — Misspelling of manoeuvre.
- mangalore — a city and port in SW Karnataka state, in SW India.
- mangroves — Plural form of mangrove.
- manoeuver — (nonstandard) alternative spelling of maneuver.
- manoeuvre — a planned and regulated movement or evolution of troops, warships, etc.
- manometer — an instrument for measuring the pressure of a fluid, consisting of a tube filled with a liquid, the level of the liquid being determined by the fluid pressure and the height of the liquid being indicated on a scale.
- manometry — an instrument for measuring the pressure of a fluid, consisting of a tube filled with a liquid, the level of the liquid being determined by the fluid pressure and the height of the liquid being indicated on a scale.
- manticore — a legendary monster with a man's head, horns, a lion's body, and the tail of a dragon or, sometimes, a scorpion.
- marielito — a refugee from Cuba who came to the U.S. in 1980 as part of a mass migration that sailed from Mariel, Cuba.