Terms starting with L
40 terms · page 2 of 2
Light Year
An astronomical unit of length equal to the distance light travels in a vacuum in one Julian year (365.25 days).
Mathematical & Computational PhysicsLinear Algebra
The mathematical discipline studying vector spaces, linear transformations, matrices, and systems of linear equations.
Biophysics & Medical PhysicsLinear Energy Transfer (LET)
A measure of the rate at which an ionizing radiation particle deposits ionization energy along its path length through biological tissue.
Thermodynamics & Statistical PhysicsLinear Thermal Expansion
The fractional change in length of a solid material per degree change in temperature.
Condensed Matter & Materials PhysicsLiquid Crystals
States of matter possessing physical properties intermediate between conventional isotropic liquids and ordered crystalline solids.
Nuclear & Particle PhysicsLiquid Drop Model
A classical nuclear model treating the atomic nucleus as an incompressible liquid droplet of dense nuclear fluid bound by short-range…
Waves, Oscillations & AcousticsLissajous Figures
Complex geometric curves traced by combining two perpendicular simple harmonic oscillations.
Geophysics & Environmental PhysicsLithosphere
The rigid, brittle outermost mechanical shell of Earth comprising the entire crust and uppermost solid mantle.
Astrophysics, Cosmology & RelativityLocal Group
The small galaxy cluster group comprising the Milky Way, Andromeda (M31), Triangulum (M33), and over 80 dwarf satellite galaxies.
Electromagnetism & ElectronicsLogic Gates
Elementary digital electronic building blocks that perform Boolean logical operations on one or more binary inputs to yield a single binary…
Waves, Oscillations & AcousticsLongitudinal Wave
A wave in which medium particles oscillate parallel to the direction of wave energy propagation.
Astrophysics, Cosmology & RelativityLorentz Factor
The fundamental relativistic factor by which time dilation, length contraction, and relativistic mass scale for objects moving at velocity…
Electromagnetism & ElectronicsLorentz Force
The combined force exerted on a charged particle moving through electromagnetic fields containing both electric and magnetic field…
Waves, Oscillations & AcousticsLoudness
The subjective human psychological sensation of sound strength, depending on physical intensity and ear frequency response.
OpticsLuminous Flux
A photometric quantity measuring total perceived power of light emitted by a source, weighted by human eye spectral sensitivity.
Quantum & Atomic PhysicsLyman Series
The hydrogen spectral series resulting from electron transitions dropping from higher excited states down to the ground state (n=1).