| Lagrangian function |
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noun (wikipedia, Lagrangian)
- (mathematics) a function of the generalized coordinates and velocities of a dynamic system from which Lagrange's equations may be derived
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| Larmor precession |
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noun - (physics) the precesion of the motion of charged particles, or particles having a magnetic moment, in a magnetic field
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| laser |
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noun (lasers)
- A device that produces a monochromatic, coherent beam of light.
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| laser beam |
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noun (laser beam, laser beams)
- The light emitted by a laser.
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| latent heat |
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noun - (physics) the heat that is released or absorbed accompanying a change of state or of phase
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| lattice |
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noun
- A flat panel constructed with widely-spaced crossed thin strips of wood or other material. It is commonly used as a garden trellis.
- (crystallography) a regular spacing or arrangement of geometric points, often decorated with a motif.
- (algebra) A partially ordered set in which every pair of elements has a unique supremum and an infimum.
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| Laurence |
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proper noun
- (given name, male)
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| Lawson criterion |
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noun - (physics) a necessary, but not sufficient coindition for the achievement of sustained release of energy from a nuclear fusion reactor; that the heating effect of the reaction should exceed the losses
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| lens |
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noun (plural lenses)
- An object, usually made of glass, that focuses or defocuses the light that passes through it.
- A device which focuses or defocuses electron beams.
- (geometry) A shape comprising two circular arcs, joined at their endpoints.
- (biology) A genus of the legume family.
- (anatomy) The transparent crystalline structure in the eye.
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| lepton |
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noun (lepta)
- A small, bronze Judean coin from the 1st century BCE. The lowest value coin ever in circulation. Considered by some to be the widow's mite.
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| lifetime |
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noun
- The duration of the life of someone or something.
- (context, informal, hyperbolic) A long period of time.
- I've been waiting a lifetime for a train.
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| linac |
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noun - (physics) A linear particle accelerator.
- 2004: Usually such "linacs" are short, low-energy machines, but they can be high energy and lengthy, as at the Stanford Linear Accelerator in California. " Frank Close, Particle Physics: A Very Short Introduction (Oxford 2004, p. 49)
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| line of force |
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noun - (physics) an imaginary line in a field of force, whose tangent at any point gives the direction of the field at that point and whose number through unit area perpendicular to the field represents its intensity
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| liquefaction |
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noun - Process of, or state of having been, made liquid.
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| liquefy |
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verb (liquefies, liquefying, liquefied)
- To make into a liquid, either by condense, condensing a gas or by melting a solid.
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| liquid |
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noun
- A fundamental state of matter. Liquid is a state between solid and gaseous. A liquid can usually be contained within a glass or a similar container without allowing escape. A liquid can freeze to become a solid or evaporate into a gas.
- (phonetics) An l or r sound.
adjective
- Existing in the physical state of a liquid. (Liquid nitrogen)
- (finance) Of an asset, easily sold or disposed of.
- (finance) Of a market, having sufficient trading activity to make buying or selling easy.
- 2005: The spot foreign exchange market is the world"s largest and most liquid financial market. With a daily trading volume of over $1.5 trillion, the spot forex market can absorb trading sizes that dwarf the capacity of any other market. — xpresstrade.com http://www.xpresstrade.com/24hour_liquidity.html
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| Lissajous figure |
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noun (wikipedia, Lissajous curve)
- (mathematics) a plane curve traced by a point which executes two perpendicular independent harmonic motions, the frequencies of which are in a simple ratio
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| loop |
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noun
- A length of thread, line or rope that is doubled over to make an opening; the opening so formed
- A shape produced by a curve that bends around and crosses itself.
- An endless strip of tape or film allowing continuous repetition.
- A complete circuit for an electric current.
- (computing) A programmed sequence of instructions that is repeated until or while a particular condition is satisfied.
- (graph theory) A pair of repeated nodes of an oriented graph represented as an arrow with coinciding endpoints.
- A loop-shaped intrauterine device
- a maneuver in which an aircraft flies a circular path in a vertical plane
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| Lorentz transformation |
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noun
- (cattag2, Mathematics, Physics) A transformation relating the space-time coordinates of one frame of reference to another in special relativity.
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