13-letter words containing i, m, o, r, a
- keratomycosis — Fungal infection of the cornea.
- kinematograph — cinematograph.
- king's ransom — an extremely large amount of money: The painting was sold for a king's ransom.
- krishna menon — Vengalil Krishnan [ven-gah-leel krish-nuh n] /vɛnˈgɑ lil ˈkrɪʃ nən/ (Show IPA), 1897–1974, Indian politician and statesman.
- lacrimal bone — a small, thin, membrane bone forming the front part of the inner wall of each orbit.
- lake maggiore — a lake in N Italy and S Switzerland, in the S Lepontine Alps
- lambeosaurine — Any crested hadrosaurid dinosaur of the subfamily Lambeosaurinae.
- laryngotomies — Plural form of laryngotomy.
- leigh-mallory — Sir Trafford Leigh [traf-erd lee] /ˈtræf ərd li/ (Show IPA), 1892–1944, British Air Force officer.
- liberationism — the principles of liberationists
- lipogrammatic — of or relating to a lipogram
- logarithmancy — Divination using logarithms.
- logogrammatic — Of or pertaining to logograms; logographic.
- lucretia mott — John Raleigh, 1865–1955, U.S. religious leader: Nobel Peace Prize 1946.
- luxembourgian — of or relating to Luxembourg, its people, or their language.
- lymphographic — of or relating to lymphography
- 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
- macro-mineral — any mineral required in the diet in relatively large amounts, especially calcium, iron, magnesium, phosphorus, potassium, and zinc.
- macrocephalic — Cephalometry. being or having a head with a large cranial capacity.
- 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.
- 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.
- 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
- macroscopical — Macroscopic.
- madeira topaz — citrine (def 2).
- madre de dios — a river in Peru and Bolivia, flowing E to the Beni River. 900 miles (1450 km) long.
- magnesiferous — (geology) Containing magnesium.
- magnetic core — Computers. core1 (def 12a).
- magnetiferous — (dated) Producing or conducting magnetism.
- magnetometric — Pertaining to, or employed in, the measurement of magnetic forces; obtained by means of a magnetometer; as, 'magnetometric' instruments; 'magnetometric' measurements.
- maid of honor — an unmarried woman who is the chief attendant of a bride. Compare matron of honor.
- mail exploder — (messaging) Part of an electronic mail delivery system which allows a message to be delivered to a list of addresses. Mail exploders are used to implement mailing lists. Users send messages to a single address and the mail exploder takes care of delivery to the individual mailboxes in the list.
- major medical — insurance designed to compensate for particularly large medical expenses due to a severe or prolonged illness, usually by paying a high percentage of medical bills above a certain amount.
- major premise — Logic. an argument the conclusion of which is supported by two premises, of which one (major premise) contains the term (major term) that is the predicate of the conclusion, and the other (minor premise) contains the term (minor term) that is the subject of the conclusion; common to both premises is a term (middle term) that is excluded from the conclusion. A typical form is “All A is C; all B is A; therefore all B is C.”.
- majority rule — the principle that decisions supported by more than half the people in a group have effect upon all the people in that group
- malabsorbtion — Misspelling of malabsorption.
- malabsorption — faulty absorption of nutritive material from the intestine.
- maladroitness — lacking in adroitness; unskillful; awkward; bungling; tactless: to handle a diplomatic crisis in a very maladroit way.
- malapropistic — an act or habit of misusing words ridiculously, especially by the confusion of words that are similar in sound.
- malariologist — An expert in malaria.
- malformations — Plural form of malformation.