18-letter words containing p, t, o, l, e, m
- hypercholesteremia — Alternative spelling of hypercholesteraemia.
- imploded consonant — a consonant which is pronounced with or by implosion
- in complete flower — a flower without one or more of the normal parts, as carpels, sepals, petals, pistils, or stamens.
- in compliance with — in accordance with
- isothermal process — a process that takes place without change in temperature.
- limestone pavement — a horizontal surface of exposed limestone in which the joints have been enlarged, cutting the surface into roughly rectangular blocks
- list comprehension — (functional programming) An expression in a functional language denoting the results of some operation on (selected) elements of one or more lists. An example in Haskell: This returns all pairs of numbers (x,y) where x and y are elements of the list 1, 2, ..., 10, y <= x and their sum is less than 10. A list comprehension is simply "syntactic sugar" for a combination of applications of the functions, concat, map and filter. For instance the above example could be written: The term "list comprehension" appears in the references below. The earliest reference to the notation is in Rod Burstall and John Darlington's description of their language, NPL. David Turner subsequently adopted this notation in his languages SASL, KRC and Miranda, where he has called them "ZF expressions", set abstractions and list abstractions (in his 1985 FPCA paper [Miranda: A Non-Strict Functional Language with Polymorphic Types]).
- logical complement — (logic) In Boolean algebra, the logical complement or negation of a Boolean value is the opposite value, given by the following truth table: A | -A --+--- T | F F | T -A is also written as A with a bar over it or with a small vertical line hanging from the right-hand end of the "-" (LaTeX \neg) or as A'. In the C programming language, it is !A and in digital circuit design, /A.
- lone-parent family — a family in which there is only one parent
- magnetic potential — a scalar quantity, analogous to the electric potential, defined at each point in a given magnetic field to be equal to the work done in bringing a unit north pole from infinity to the point.
- maksutov telescope — a reflecting telescope in which coma and spherical aberration are reduced to a minimum by a combination of a spherical mirror and a meniscus lens placed inside the radius of curvature of the mirror.
- maternity hospital — birthing facility
- may flower compact — an agreement to establish a government, entered into by the Pilgrims in the cabin of the Mayflower on November 11, 1620.
- methylprednisolone — A synthetic glucocorticoid drug, with chemical formula C22H30O5.
- microencapsulation — the process of enclosing chemical substances in microcapsules.
- micrometer caliper — calipers with a micrometer screw, for extremely accurate measurement
- micrometer-caliper — any of various devices for measuring minute distances, angles, etc., as in connection with a telescope or microscope.
- micropalaeontology — the branch of palaeontology concerned with the study of microscopic fossils
- middle paleolithic — See under Paleolithic.
- military policeman — A military policeman is a member of the military police.
- mission specialist — the crew member of a space shuttle who is assigned primary responsibility for carrying out operations related to the payload of the shuttle.
- mobile police unit — a motorized police unit
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- molecular spectrum — the spectrum of light emitted or absorbed by a species of molecule.
- monophosphorylated — (biochemistry) phosphorylated with a single unit of phosphoric acid.
- mop the floor with — that part of a room, hallway, or the like, that forms its lower enclosing surface and upon which one walks.
- morning-after pill — a contraceptive pill containing only an estrogen and used by women within a few hours after sexual intercourse.
- mosquito repellent — a chemical substance, such as a spray or lotion, applied to the body to prevent mosquitoes biting
- move the goalposts — to change the aims of an activity to ensure the desired results
- multiflow computer — (company) A now-defunct computer company, best known for its work in Very Long Instruction Word processors. Address: New Haven, Conn. USA.
- multiple collision — an accident in which several cars crash into each other
- multiple ownership — ownership by several people or organizations
- multiple sclerosis — a chronic degenerative, often episodic disease of the central nervous system marked by patchy destruction of the myelin that surrounds and insulates nerve fibers, usually appearing in young adulthood and manifested by one or more mild to severe neural and muscular impairments, as spastic weakness in one or more limbs, local sensory losses, bladder dysfunction, or visual disturbances.
- multiply-connected — connected but not simply-connected.
- myeloproliferative — (medicine) of or pertaining to the presence of an abnormal proliferation of myelopoietic cells (from bone marrow).
- neurodevelopmental — Of or pertaining to the development of neurological pathways in the brain.
- neuroophthalmology — the branch of ophthalmology that deals with the optic nerve and other nervous system structures involved in vision.
- nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- optical microscope — traditional magnifying instrument
- paleoclimatologist — the branch of paleogeography dealing with the study of paleoclimates.
- parallel computing — parallel processing
- parallel importing — the importing of certain goods, esp pharmaceutical drugs, by dealers who undersell local manufacturers
- personal exemption — Your personal exemption is the amount of money that is deducted from your gross income before you have to start paying income tax.
- petroleum engineer — A petroleum engineer is an engineer who is involved in most stages of oil and gas field evaluation, development, and production, whose job is to maximize hydrocarbon recovery and reduce costs and environmental impact.
- photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- plane trigonometry — the branch of trigonometry dealing with plane triangles.
- play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
- plenum ventilation — a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.