13-letter words containing a, t, l, o, r
- malariologist — An expert in malaria.
- malformations — Plural form of malformation.
- maltese cross — a cross having four equal arms that expand in width outward.
- marbleization — The process of marbleizing.
- marginal cost — the cost of one additional unit of any item produced or bought in quantity.
- marginal note — aside
- marsh trefoil — buck bean.
- martagon lily — Turk's-cap lily.
- martyrologies — Plural form of martyrology.
- master policy — a single policy covering a group of people, typically employees of a company, issued to an employer.
- material mode — the normal use of language that refers to extra-linguistic subjects without explicit mention of the words themselves. Fido is a dog is in the material mode, while "Fido" is a dog's name is in the formal mode
- matriculation — to enroll in a college or university as a candidate for a degree.
- matriculatory — relating to matriculation
- matrifocality — The state or condition of being matrifocal; matriarchy.
- matrimonially — In a matrimonial way.
- matripotestal — of or relating to the authority exercised by a mother or a mother's blood relatives.
- matter of law — an issue or matter to be determined according to the relevant principles of law.
- melodramatics — Melodramatic behavior, action, or writing.
- melodramatist — A writer of melodramas.
- melodramatize — to make melodramatic.
- memorabiliast — a person who collects mementos or souvenirs, as postcards or playbills.
- mephobarbital — The drug methylphenobarbital.
- meridionality — the quality or state of being on the meridian
- merleau-ponty — Maurice, 1908–61, French phenomenological philosopher.
- metagrobolize — to mystify or puzzle
- metalliferous — containing or yielding metal.
- metallography — the study of the structure of metals and alloys by means of microscopy.
- methocarbamol — a substance, C 1 1 H 1 5 NO 5 , used as a muscle relaxant in combination with other drugs in the treatment of acute, painful musculoskeletal conditions.
- methylpropane — (organic compound) isobutane.
- metronidazole — a synthetic antimicrobial substance, C 6 H 9 N 3 O 3 , used chiefly in the treatment of infections, such as Trichomonas vaginalis and certain anaerobic bacterial infections.
- metropolitans — Plural form of metropolitan.
- microclimates — Plural form of microclimate.
- microclimatic — Of or pertaining to a microclimate.
- microcrystals — Plural form of microcrystal.
- microcultural — Of or pertaining to a microculture.
- microfilament — a minute, narrow tubelike cell structure composed of a protein similar to actin, occurring singly and in bundles, involved in cytoplasmic movement and changes in cell shape.
- microlecithal — having a small amount of yolk, as certain eggs or ova.
- micrometrical — Micrometric; relating to micrometry or a micrometer.
- micronucleate — having a micronucleus.
- microparticle — An extremely small particle.
- microplankton — plankton visible as individual organisms only with the aid of a microscope, which excludes most animal plankton.
- microtonalism — The use of microtones in music.
- microtonality — any musical interval smaller than a semitone, specifically, a quarter tone.
- military coup — a coup organized and carried out by members of the armed forces
- minor penalty — a penalty consisting of the removal of a player from play for two minutes, no substitute for the player being permitted.
- miscalculator — A person who miscalculates.
- mitochondrial — (cytology) Of, or relating to mitochondria.
- moderate gale — a wind of 32–38 miles per hour (14–17 m/sec).
- mole fraction — the ratio of the number of moles of a given component of a mixture to the total number of moles of all the components.
- montes claros — a city in E Brazil.