9-letter words containing i, r, a, t, o
- logarithm — the exponent of the power to which a base number must be raised to equal a given number; log: 2 is the logarithm of 100 to the base 10 (2 = log10 100).
- lothair i — a.d. 795?–855, king of Germany 840–843; emperor of the Holy Roman Empire 840–855 (son of Louis I).
- lotharios — Plural form of lothario.
- lyocratic — noting a colloid owing its stability to the affinity of its particles for the liquid in which they are dispersed.
- macrolith — a stone tool about 1 foot (30 cm) long.
- maladroit — lacking in adroitness; unskillful; awkward; bungling; tactless: to handle a diplomatic crisis in a very maladroit way.
- 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
- 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.
- 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.
- masoretic — of or relating to the Masorah or the Masoretes.
- matagouri — a thorny bush of New Zealand, Discaria toumatou, that forms thickets in open country
- matrimony — the state of being married; marriage: He was married in 1870 and lived in matrimony 12 years.
- matronize — to cause to become matronly; cause to act as, or fulfill the role of, matron.
- mediators — Plural form of mediator.
- mediatory — pertaining to mediation.
- meditator — to engage in thought or contemplation; reflect.
- meliorate — (transitive) To make better, to improve; to heal or solve a problem.
- mentorial — Of or relating to a mentor.
- microdata — (statistics) data concerning individuals in a trial, survey etc.
- microstat — a negative of a microphotograph made directly from a negative by a copy camera.
- microtape — (hardware, storage) /mi:'kroh-tayp/ Occasionally used to mean a DECtape, as opposed to a macrotape. Apparently the term "microtape" was actually the official term used within DEC for these tapes until someone coined the word "DECtape", which, of course, sounded sexier to the marketroids. Another version of the story holds that someone discovered a conflict with another company's "microtape" trademark.
- microwatt — a unit of power equal to one millionth of a watt. Symbol: μW, μ w.
- migration — the process or act of migrating.
- migratory — migrating.
- millocrat — a member of a government or ruling class of mill owners
- minotaurs — Plural form of minotaur.
- mitigator — to lessen in force or intensity, as wrath, grief, harshness, or pain; moderate.
- montclair — a city in NE New Jersey.
- moralists — Plural form of moralist.
- moratoria — a suspension of activity: a moratorium on the testing of nuclear weapons.
- mordacity — biting or given to biting.
- mordicant — Biting; acrid.
- morganite — rose-colored beryl.
- mortalise — Non-Oxford British standard spelling of mortalize.
- mortality — the state or condition of being subject to death; mortal character, nature, or existence.
- mortalize — (transitive) To make mortal.
- mortaring — Present participle of mortar.
- mortician — funeral director.
- motivator — to provide with a motive, or a cause or reason to act; incite; impel.
- mutilator — to injure, disfigure, or make imperfect by removing or irreparably damaging parts: Vandals mutilated the painting.
- narcotics — Plural form of narcotic.
- narcotine — An alkaloid found in opium; noscapine.
- narcotise — Alternative spelling of narcotize.
- narcotism — habitual use of narcotics.
- narcotist — One who is addicted to a narcotic drug.
- narcotize — to subject to or treat with a narcotic; stupefy.
- narration — something narrated; an account, story, or narrative.
- natatoria — Plural form of natatorium.