9-letter words containing a, m, t, o, r
- macerator — to soften or separate into parts by steeping in a liquid.
- macrocyst — a large cyst or spore case, especially the encysted, resting plasmodium of a slime mold.
- macrocyte — an abnormally large red blood cell.
- macrodont — the condition of having abnormally large teeth.
- macroetch — to etch deeply into the surface of (a metal).
- macrolith — a stone tool about 1 foot (30 cm) long.
- macrotape — (storage) /mak'roh-tayp/ An industry-standard reel of magnetic tape, as opposed to a microtape. See also round tape.
- macrotous — having large ears
- 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.
- majorette — drum majorette.
- maladroit — lacking in adroitness; unskillful; awkward; bungling; tactless: to handle a diplomatic crisis in a very maladroit way.
- malaxator — a machine for kneading or grinding
- mandatory — authoritatively ordered; obligatory; compulsory: It is mandatory that all students take two years of math.
- 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.
- māori rat — a small brown rat, Rattus exulans, native to New Zealand
- marabouts — Plural form of marabout.
- marathons — Plural form of marathon.
- marielito — a refugee from Cuba who came to the U.S. in 1980 as part of a mass migration that sailed from Mariel, Cuba.
- markowitz — Harry M, born 1927, U.S. economist: Nobel prize 1990.
- marlstone — an indurated marl.
- marmosets — Plural form of marmoset.
- marrowfat — a large-seeded variety of pea.
- marshwort — A small, white-flowered plant, of the genus Apium, that grows in marshy habitats.
- martagons — Plural form of martagon.
- martinson — Harry Edmund [har-ee ed-muh nd;; Swedish hah-ri ed-moo nt] /ˈhær i ˈɛd mənd;; Swedish ˈhɑ rɪ ˈɛd mʊnt/ (Show IPA), 1904–78, Swedish novelist and poet: Nobel prize 1974.
- martyrdom — the condition, sufferings, or death of a martyr.
- masoretic — of or relating to the Masorah or the Masoretes.
- massorete — one of the writers or compilers of the Masorah.
- masterdom — complete control; mastery
- masterson — William Barclay ("Bat") 1853–1921, U.S. frontier law officer.
- matagouri — a thorny bush of New Zealand, Discaria toumatou, that forms thickets in open country
- matamoros — a seaport in NE Mexico, on the Rio Grande opposite Brownsville, Texas.
- mathworks — The MathWorks, Inc.
- matrimony — the state of being married; marriage: He was married in 1870 and lived in matrimony 12 years.
- matronage — the state of being a matron.
- matronize — to cause to become matronly; cause to act as, or fulfill the role of, matron.
- mattamore — An underground storage place for grain.
- mayoralty — the office or tenure of a mayor.
- meatworks — (Australia, New Zealand) A slaughterhouse or meat processing plant.
- mediators — Plural form of mediator.
- mediatory — pertaining to mediation.
- meditator — to engage in thought or contemplation; reflect.
- megastore — A very large store, typically one specializing in a particular type of product.
- megastorm — a very powerful storm that causes catastrophic damage
- meliorate — (transitive) To make better, to improve; to heal or solve a problem.
- mentorial — Of or relating to a mentor.
- mercapto- — (in chemical compounds) indicating the presence of an HS- group