13-letter words containing a, r, m
- lowerclassman — underclassman.
- lowerclassmen — underclassman.
- lucid dreamer — a person who has lucid dreams, either naturally or as a result of training
- lucifer match — friction match.
- lucretia mott — John Raleigh, 1865–1955, U.S. religious leader: Nobel Peace Prize 1946.
- lumbar plexus — a network of nerves originating in the spinal nerves of the midback region and innervating the pelvic area, the front of the legs, and part of the feet.
- lumber jacket — a short, straight, wool plaid jacket or coat, for informal wear, usually belted and having patch pockets.
- lumberjackets — Plural form of lumberjacket.
- lump of sugar — lump1 (def 4).
- luxembourgian — of or relating to Luxembourg, its people, or their language.
- lymphographic — of or relating to lymphography
- lymphosarcoma — a malignant tumor in lymphatic tissue, caused by the growth of abnormal lymphocytes.
- maccheroncini — thin pasta tubes made from wheat flour
- machine error — an error caused by a fault or defect in a machine rather than by human error
- machine screw — a threaded fastener, either used with a nut or driven into a tapped hole, usually having a diameter of about 1/4 inch (6.4 mm) or less and a slotted head for tightening by a screwdriver.
- mackerel gull — tern1 .
- macrencephaly — The presence of an abnormally large brain.
- macro-mineral — any mineral required in the diet in relatively large amounts, especially calcium, iron, magnesium, phosphorus, potassium, and zinc.
- macro-segment — a stretch of speech preceded and followed but not interrupted by a pause.
- macrocephalic — Cephalometry. being or having a head with a large cranial capacity.
- macrocephalus — Alternative spelling of macrocephalous.
- macroclimates — Plural form of macroclimate.
- macroclimatic — Relating to macroclimate.
- macrodiagonal — the longer of two diagonals
- macrodynamics — Large-scale dynamics.
- macroeconomic — the branch of economics dealing with the broad and general aspects of an economy, as the relationship between the income and investments of a country as a whole.
- macroglobulin — A plasma globulin of high molecular weight.
- macrolecithal — megalecithal.
- macromolecule — a very large molecule, as a colloidal particle, protein, or especially a polymer, composed of hundreds or thousands of atoms.
- macromutation — a mutation that has a profound effect on the resulting organism, as a change in a regulatory gene that controls the expression of many structural genes.
- macronucleate — having a macronucleus.
- macronutrient — Nutrition. any of the nutritional components of the diet that are required in relatively large amounts: protein, carbohydrate, fat, and the macrominerals.
- macroorganism — an organism that can be seen with the naked eye.
- macroparasite — (biology) Any parasite that is visible to the naked eye.
- macropinacoid — a crystalline pinacoid which runs parallel to the longer horizontal axis
- macroplankton — planktonic organisms of about 1 mm in length.
- macroscopical — Macroscopic.
- macrovascular — Of or pertaining to the larger blood vessels.
- maculopapular — (medicine, of a rash) Consisting of a flat, red area on the skin that is covered with small confluent bumps, as in scarlet fever and measles.
- madame bovary — a novel (1857) by Gustave Flaubert.
- madder family — the large plant family Rubiaceae, characterized by herbaceous plants, trees, and shrubs having simple, opposite, or whorled leaves, usually four- or five-lobed flowers, and fruit in the form of a berry, capsule, or nut, and including the gardenia, madder, partridgeberry, and shrubs and trees that are the source of coffee, ipecac, and quinine.
- made to order — made in accordance with an individual's specifications or requirements: a made-to-order suit. Compare ready-to-wear.
- made-to-order — made in accordance with an individual's specifications or requirements: a made-to-order suit. Compare ready-to-wear.
- madeira sauce — a savoury sauce made with Madeira wine and served with meat
- madeira topaz — citrine (def 2).
- madhya bharat — a former state of central India; now included in Madhya Pradesh.
- madras states — a former agency of British India, including the Native States of Cochin, Travancore, and Pudukottai.
- madre de dios — a river in Peru and Bolivia, flowing E to the Beni River. 900 miles (1450 km) long.
- magazine rack — shelf for storing periodicals
- magic lantern — a device having an enclosed lamp and a lenslike opening, formerly used for projecting and magnifying images mounted on slides or films.