9-letter words containing a, r, n, o
- macaroons — Plural form of macaroon.
- maccaroni — macaroni.
- macrobian — Having an exceptionally long life span.
- macrodont — the condition of having abnormally large teeth.
- madperson — (gender-neutral) A madman or madwoman.
- madrileno — a native or inhabitant of Madrid, Spain.
- 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.
- main door — the principal or largest door that is used to enter a building which has more than one door
- main road — principal street
- mainboard — (computing) motherboard.
- malnormal — (mathematics) Of, pertaining to, or exhibiting malnormality.
- man power — the power supplied by human physical exertions: an ancient building constructed entirely by man power.
- mandatory — authoritatively ordered; obligatory; compulsory: It is mandatory that all students take two years of math.
- 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.
- mansionry — (obsolete) The state of dwelling or residing; occupancy.
- manticore — a legendary monster with a man's head, horns, a lion's body, and the tail of a dragon or, sometimes, a scorpion.
- marathons — Plural form of marathon.
- mark down — a visible impression or trace on something, as a line, cut, dent, stain, or bruise: a small mark on his arm.
- mark-down — a visible impression or trace on something, as a line, cut, dent, stain, or bruise: a small mark on his arm.
- markdowns — Plural form of markdown.
- marlovian — of, relating to, or characteristic of Christopher Marlowe or his writings, especially his plays.
- marlstone — an indurated marl.
- marmorean — (obsolete) marmoreal.
- marooning — to put ashore and abandon on a desolate island or coast by way of punishment or the like, as was done by buccaneers.
- marrooned — Simple past tense and past participle of marroon.
- 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.
- mascarons — grotesque face used as decoration
- mason jar — a glass jar with a wide mouth and an airtight screw top, much used in home canning.
- masonried — built of masonry
- masterson — William Barclay ("Bat") 1853–1921, U.S. frontier law officer.
- 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.
- meandrous — meandering; winding; rambling.
- memoranda — a short note designating something to be remembered, especially something to be done or acted upon in the future; reminder.
- menorrhea — menstrual flow.
- mentorial — Of or relating to a mentor.
- meropidan — any insectivorous bird of the family Meropidae
- mesocrany — the state of having a medium breadth of skull
- mestranol — an estrogen, C 2 1 H 2 6 O 2 , used in oral contraceptives in combination with a progestin.
- metarchon — a nontoxic substance, such as a chemical to mask pheromones, that reduces the persistence of a pest
- microbian — (biology) Of, relating to, or caused by, microbes; microbial.
- microloan — a very small, short-term loan at low interest, especially to a start-up company or self-employed person.