18-letter words containing a, e, t
- locally finite set — a collection of sets in a topological space in which each point of the space has a neighborhood that intersects a finite number of sets of the collection.
- 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.
- logical shift left — logical shift
- lone-parent family — a family in which there is only one parent
- lonely hearts club — a club for people who are trying to find a lover or a friend
- long-distance call — phone call: not local area
- look the other way — look in the opposite direction
- loosestrife family — the plant family Lythraceae, characterized by herbaceous plants, shrubs, and trees having usually opposite or whorled, simple leaves, clusters of flowers, and fruit in the form of a capsule, and including the crape myrtle, loosestrifes of the genus Lythrum, and the henna shrub.
- low-start mortgage — a mortgage in which interest only is repaid for a fixed period at the outset, to make it more affordable
- lowell observatory — the astronomical observatory, situated in Flagstaff, Arizona, at which Pluto was discovered in 1930.
- lower klamath lake — See under Klamath Lakes.
- lower palaeolithic — the earliest of the three sections of the Palaeolithic, beginning about 3 million years ago and ending about 70 000 bc with the emergence of Neanderthal man
- luminous emittance — luminous flux emitted per unit area.
- lunitidal interval — the period of time between the moon's transit and the next high lunar tide.
- macroinvertebrates — Plural form of macroinvertebrate.
- magistrate's court — a court having limited jurisdiction over minor civil and criminal matters, as matters of contract not exceeding a particular amount of money.
- magistrates' court — law: handles minor crimes
- magnesium arsenate — a white, water-insoluble powder, Mg 3 (AsO 4) 2 ⋅xH 2 O, used chiefly as an insecticide.
- magnesium silicate — a white powder, 3MgSiO 3 ⋅5H 2 O, with variable hydration, insoluble in water or alcohol, used as a rubber filler, a bleaching agent, an odor absorbent, and in the manufacture of paints and resins.
- magnesium stearate — Magnesium stearate is a salt that is often used as a diluent and lubricant in tablets and capsules.
- magnetic amplifier — an amplifier that applies the input signal to a primary winding and feeds an alternating current to a secondary winding where this current is modulated by the variations in the primary winding.
- magnetic induction — Also called magnetic flux density. a vector quantity used as a measure of a magnetic field. Symbol: B.
- 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.
- magnetic recording — the process of recording sound or other data on magnetic tape, wire, etc.
- magnetic resonance — the response by atoms, molecules, or nuclei subjected to a magnetic field to radio waves or other forms of energy: used in medicine for scanning
- magnetic tape unit — a computer device that moves reels of magnetic tape past read-write heads so that data can be transferred to or from the computer
- magnetic variation — variation (def 8).
- magnetocrystalline — (physics) Describing the interaction between the magnetization and the crystal structure of a material.
- magnetoelectricity — electricity developed by the action of magnets.
- magnetogasdynamics — magnetohydrodynamics.
- magnetorheological — (physics) describing a substance whose rheological properties are modified by a magnetic field.
- major tranquilizer — antipsychotic (def 2).
- make a meal of sth — If you think someone is taking more time and energy to do something than is necessary, you can say that they are making a meal of it.
- make a night of it — to cause an activity to last a night
- make a practice of — be in the habit of
- make heavy weather — to bring into existence by shaping or changing material, combining parts, etc.: to make a dress; to make a channel; to make a work of art.
- make matters worse — If you say that something makes matters worse, you mean that it makes a difficult situation even more difficult.
- make short work of — exertion or effort directed to produce or accomplish something; labor; toil.
- make someone tired — to annoy or vex someone
- make sth one's own — If you make something your own, you become involved in it in such a way that people think of it as being related only to you or belonging only to you, rather than to anyone else.
- 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.
- malignant melanoma — skin cancer
- malpighian tubules — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
- man-to-man defense — a method of defense in team sports, especially in basketball and football, in which each member of the defensive team is designated to guard a particular member of the offensive team.
- management company — a company that manages a unit trust
- management studies — the study of the technique, practice, or science of managing a company, business, etc
- management trainee — somebody who is training to become a manager of a company, business, etc
- manchester terrier — one of a breed of slender terriers having a short, glossy, black-and-tan coat, raised originally in Manchester, England.
- mandelbrot, benoit — Benoit Mandelbrot
- manufactured goods — products made by machine