15-letter words containing t, h, a, l, m
- isothermal-line — Meteorology. a line on a weather map or chart connecting points having equal temperature.
- jerusalem thorn — See under Christ's-thorn.
- landeshauptmann — the head of government in an Austrian state
- largemouth bass — a North American freshwater game fish, Micropterus salmoides, having an upper jaw extending behind the eye and a broad, dark, irregular stripe along each side of the body. Compare smallmouth bass.
- laser chemistry — the use of a laser to initiate and control chemical reactions.
- lavatory humour — humour characterized by excessive mention of lavatories and the excretory functions; vulgar or scatological humour
- law of the mean — the theorem that for a function continuous on a closed interval and differentiable on the corresponding open interval, there is a point in the interval such that the difference in functional values at the endpoints is equal to the derivative evaluated at the particular point and multiplied by the difference in the endpoints.
- lethal mutation — a gene that under certain conditions causes the death of an organism.
- like grim death — as if afraid for one's life
- lithium battery — A lithium battery is a type of battery used for low-power, high-reliability, long-life applications, such as clocks, cameras and calculators.
- lithium citrate — a white crystalline solid sometimes used in the treatment of manic-depressive illness and mania. Formula: Li3C6H5O7
- lithochromatics — the art or process of painting in oil on stone and taking impressions from the result
- logarithmically — In a logarithmic manner.
- look-say method — a method of teaching beginners to read by memorizing and recognizing whole words, rather than by associating letters with sounds
- lutzow-holm bay — an inlet of the Indian Ocean on the coast of Antarctica between Queen Maud Land and Enderby Land.
- lymphadenectomy — the excision of one or more lymph nodes, usually as a procedure in the surgical removal or destruction of a cancer.
- lymphadenopathy — chronically swollen lymph nodes.
- lymphocytopenia — (pathology) An abnormally low level of lymphocytes in the blood.
- machinery steel — low-carbon steel that can be easily machined.
- magnesium light — the strongly actinic white light produced when magnesium is burned: used in photography, signaling, pyrotechnics, etc.
- magnetorheology — the study of the relationships between the particle and fluid properties of magnetic suspensions.
- male chauvinist — a male who patronizes, disparages, or otherwise denigrates females in the belief that they are inferior to males and thus deserving of less than equal treatment or benefit.
- malpighian tube — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
- malpighian tuft — glomerulus (def 2).
- manasseh cutler — Manasseh, 1742–1823, U.S. Congregational clergyman and scientist: promoted settlement of Ohio; congressman 1801–05.
- manual alphabet — a set of finger configurations corresponding to the letters of the alphabet, used by the deaf in fingerspelling.
- marital therapy — a psychotherapeutic treatment for married couples, who are seen by a therapist both individually and jointly to assist them in resolving various problems related to their marriage.
- masochistically — Psychiatry. having a condition in which sexual gratification depends on suffering, physical pain, and humiliation.
- mechanical twin — a crystalline twin formed by the strain set up by an applied force.
- mechanistically — of or relating to the theory of mechanism or to mechanists.
- mechlorethamine — a nitrogen mustard, C 5 H 1 1 Cl 2 N, used in combination with other drugs in the treatment of Hodgkin's disease and certain other cancers.
- medical history — the past background of a person in terms of health
- megalithic tomb — a burial chamber constructed of large stones, either underground or covered by a mound and usually consisting of long transepted corridors (gallery graves) or of a distinct chamber and passage (passage graves). The tombs may date from the 4th millennium bc
- mental handicap — learning disability
- mental hospital — psychiatric institution
- mephistophelean — Medieval Demonology. one of the seven chief devils and the tempter of Faust.
- mephistophelian — Medieval Demonology. one of the seven chief devils and the tempter of Faust.
- merchantability — The state of being merchantable.
- metamorphically — In a metamorphic manner.
- metanitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- metaphase plate — a plane in the equatorial region of the spindle in dividing cells, along which the chromosomes become arranged during the metaphase.
- metatarsal arch — the short lateral arch of the foot formed by the heads of the metatarsal bones.
- methylcobalamin — A cobalamin used to treat neuropathies.
- methylphenidate — a central nervous system stimulant, C 1 4 H 1 9 NO 2 , used in the control of hyperkinetic syndromes and narcolepsy.
- methylpropanone — (organic compound) The industrial solvent butanone.
- michaelmas term — the autumn term at Oxford and Cambridge Universities, the Inns of Court, and some other educational establishments
- military school — military academy.
- monomethylamine — methylamine.
- most honourable — a courtesy title applied to marquesses and members of the Privy Council and the Order of the Bath
- mother language — a language from which another language is descended; parent language.