15-letter words containing h, e, l, m
- meals on wheels — a program, usually one supported or subsidized by a charitable, social, or government agency, for delivering hot meals regularly to elderly, disabled, or convalescing persons who are housebound and cannot cook for themselves.
- mechanic's lien — a lien secured on property, as an automobile, building, or the like, by the contractor who has repaired or built it, in order to ensure payment for labor and materials.
- mechanical bank — a toy bank in which a coin is deposited by a mechanical process that is usually activated by pushing a lever.
- mechanical pulp — groundwood pulp.
- 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.
- mechanochemical — involving the conversion of chemical energy into mechanical energy
- 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
- medicinal leech — a bloodsucking leech, Hirudo medicinalis, of Europe, introduced into the northeastern U.S., usually green with brown stripes, up to 4 inches (10 cm) long: once used by physicians to bleed patients.
- medieval hebrew — the Hebrew language as used from the 6th to the 13th centuries a.d.
- 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
- melancholically — disposed to or affected with melancholy; gloomy.
- 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.
- methyl chloride — a colorless, poisonous gas, CH 3 Cl, used chiefly as a refrigerant, as a local anesthetic, and as a methylating agent in organic synthesis.
- methylcellulose — a grayish-white powder prepared from cellulose that swells to a highly viscous colloidal solution in water: used as a food additive and in water paints, leather tanning, and cosmetics.
- methylcobalamin — A cobalamin used to treat neuropathies.
- methylene group — the bivalent organic group >CH 2 , derived from methane.
- methylheptenone — a colorless liquid, C 8 H 1 4 O, occurring in many essential oils and produced by synthesis: used in organic synthesis and in the manufacture of inexpensive perfumes.
- 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.
- michael faraday — Michael, 1791–1867, English physicist and chemist: discoverer of electromagnetic induction.
- michaelmas term — the autumn term at Oxford and Cambridge Universities, the Inns of Court, and some other educational establishments
- microaerophiles — Plural form of microaerophile.
- microaerophilic — Of, or relating to a microaerophile.
- microtechnology — technology that uses microelectronics
- milking machine — an electric machine for milking cows.
- milling machine — a machine tool for rotating a cutter (milling cutter) to produce plane or formed surfaces on a workpiece, usually by moving the work past the cutter.
- monchengladbach — a city in W North Rhine-Westphalia, in W Germany.
- monochlamydeous — (of a flower) having a perianth of one whorl of members; not having a separate calyx and corolla
- monomethylamine — methylamine.
- monthly meeting — (often initial capital letters) a district unit of local congregations of the Society of Friends.
- 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.
- mother of pearl — a hard, iridescent substance that forms the inner layer of certain mollusk shells, used for making buttons, beads, etc.; nacre.
- mother's helper — a person who is hired to assist in household chores, especially caring for children.
- mother-of-pearl — a hard, iridescent substance that forms the inner layer of certain mollusk shells, used for making buttons, beads, etc.; nacre.
- mouthwateringly — In a mouthwatering manner.
- multi-channeled — the bed of a stream, river, or other waterway.
- multihomed host — A host which has more than one connection to a network. The host may send and receive data over any of the links but will not route traffic for other nodes.
- multiphase flow — Multiphase flow is a type of flow that involves more than one fluid, for example a liquid and a gas, or two liquids that do not mix.
- multiple choice — question: with several options