18-letter words containing a, g, l, s
- instrument landing — an aircraft landing accomplished by use of gauges on the instrument panel and ground-based radio equipment, with limited reference to outside visual signals.
- intercartilaginous — (anatomy) Within cartilage.
- invisible earnings — earnings from services provided rather than goods
- iphigenia in aulis — a tragedy (408? b.c.) by Euripides.
- iverson's language — APL, which went unnamed for many years.
- james-lange theory — a theory that emotions are caused by bodily sensations; for example, we are sad because we weep
- kentucky bluegrass — a grass, Poa pratensis, of the Mississippi valley, used for pasturage and lawns.
- king of the castle — most powerful figure
- king william's war — the war (1689–97) in which England and its American colonies and Indian allies opposed France and its Indian allies and which constituted the American phase of the War of the Grand Alliance.
- king's regulations — (in Britain and the Commonwealth when the sovereign is male) the code of conduct for members of the armed forces that deals with discipline, aspects of military law, etc
- king-of-the-salmon — a ribbonfish, Trachypterus altivelis, of northern parts of the Pacific Ocean.
- lagrange's theorem — the theorem that the order of each subgroup of a finite group is a factor of the order of the group.
- landscape gardener — sb who designs gardens
- landscape painting — art: depicting natural scenery
- language universal — a trait or property of language that exists, or has the potential to exist, in all languages.
- law of segregation — the principle, originated by Gregor Mendel, stating that during the production of gametes the two copies of each hereditary factor segregate so that offspring acquire one factor from each parent.
- laying on of hands — Theology. a rite in which the cleric's hands are placed on the head of a person being confirmed, ordained, or the like.
- legislative branch — the branch of government having the power to make laws; the legislature.
- lifesaving service — a private organization or government agency for general marine rescue operations.
- light displacement — the weight of a ship with all its permanent equipment, excluding the weight of cargo, persons, ballast, dunnage, and fuel, but usually including the weight of permanent ballast and water used to operate steam machinery.
- lightning arrester — a device for preventing damage to radio, telephonic, or other electric equipment from lightning or other high-voltage currents, using spark gaps to carry the current to the ground without passing through the device.
- limit-state design — a design criterion specifying that with acceptable probabilities a structure will not reach a limit state in which it either is unfit for the use for which it was designed (unavailability limit state) or fails (ultimate limit state)
- lithostratigraphic — Of or pertaining to lithostratigraphy.
- logarithmic spiral — log r = aθ
- logarithmus dualis — (mathematics) (ld) Latin for logarithm base two. More commonly written as "log" with a subscript "2". Roughly the number of bits required to represent an integer.
- logical positivism — a philosophical movement that stresses the function of philosophy as a method of criticizing and analyzing science and that rejects all transcendental metaphysics, statements of fact being held to be meaningful only if they have verifiable consequences in experience and in statements of logic, mathematics, or philosophy itself, and with such statements of fact deriving their validity from the rules of language.
- logical positivist — an exponent or follower of logical positivism
- logical shift left — logical shift
- logically possible — capable of being described without self-contradiction
- long-distance call — phone call: not local area
- long-stay car park — a car park (eg at an airport) where cars can be left for a long time
- looking-glass self — the self-image an individual forms by imagining what others think of his or her behavior and appearance.
- low-start mortgage — a mortgage in which interest only is repaid for a fixed period at the outset, to make it more affordable
- lubber grasshopper — plains grasshopper.
- 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.
- magnetocrystalline — (physics) Describing the interaction between the magnetization and the crystal structure of a material.
- malicious wounding — the intentional violent wounding or injuring of someone
- malpighian tubules — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
- margaret of valois — ("Queen Margot") 1533–1615, 1st wife of Henry IV of France: queen of Navarre; patron of science and literature (daughter of Henry II of France and Catherine de' Medici).
- materials handling — the loading, unloading, and movement of goods, as within a factory or warehouse, especially by the aid of mechanical devices.
- mato grosso do sul — a state of W central Brazil: formed in 1979 from part of Mato Grosso state. Capital: Campo Grande. Pop: 2 140 624 (2002). Area: 350 548 sq km (135 318 sq miles)
- mechanical testing — Mechanical testing is the testing of a material to find out its mechanical properties, for example its yield strength or hardness.
- menthol cigarettes — cigarettes that are flavoured with menthol
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- molecular genetics — a subdivision of genetics concerned with the structure and function of genes at the molecular level.
- move the goalposts — to change the aims of an activity to ensure the desired results
- national guardsman — guardsman (def 2).
- negative cash flow — the situation when income is less than payments
- netherlands guiana — a former name of Suriname.
- neuroleptanalgesia — a semiconscious nonreactive state induced by certain drug combinations, as fentanyl with droperidol.