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842 terms · page 33 of 36
Thermohaline Circulation
The global deep-ocean density-driven circulation loop powered by surface variations in seawater temperature (thermo) and salinity (haline).
OpticsThin Film Interference
The interference phenomenon occurring when light waves reflected from the top and bottom boundaries of a thin transparent film superimpose.
Thermodynamics & Statistical PhysicsThird Law of Thermodynamics
The law stating that as system temperature approaches absolute zero (0 K), entropy of a pure crystalline substance approaches a minimum…
Waves, Oscillations & AcousticsThreshold of Hearing
The minimum sound pressure level or intensity audible to a healthy human ear at 1000 Hz.
Waves, Oscillations & AcousticsThreshold of Pain
The upper sound intensity limit above which acoustic vibrations cause physical discomfort and immediate structural damage to human ears.
Geophysics & Environmental PhysicsTidal Friction
The gravitational interaction where ocean tidal bulges drag ahead of the Earth-Moon axis, causing frictional dissipation of Earth's…
Waves, Oscillations & AcousticsTimbre
The subjective tone quality or color of a musical sound that distinguishes different instruments playing the same fundamental pitch and…
Foundations of PhysicsTime
A fundamental physical quantity used to sequence events, quantify durations, and measure rates of change in the universe.
Classical MechanicsTime of Flight
The total duration a projectile spends in the air from launch until returning to its landing elevation.
Biophysics & Medical PhysicsTissue Viscoelasticity
The mechanical property of biological tissues exhibiting both elastic solid-like storage and viscous fluid-like energy dissipation under…
Plasma PhysicsTokamak
A toroidal magnetic confinement fusion device that utilizes external magnetic coils and an internal driven plasma current to create a…
Condensed Matter & Materials PhysicsTopological Insulator
A quantum material that behaves as an electrical insulator in its 3D interior bulk but features robust conducting metallic states on its 2D…
Electromagnetism & ElectronicsToroid
A doughnut-shaped ring wrapped with insulated wire that confines a uniform magnetic field completely within its circular core.
Classical MechanicsTorque
The rotational equivalent of linear force, measuring the effectiveness of a force in causing angular acceleration about an axis.
OpticsTotal Internal Reflection
The complete reflection of a light ray inside an optically denser medium when striking the boundary with a rarer medium at an angle…
Electromagnetism & ElectronicsTransformer
A static AC electrical device that transfers electrical energy between circuits through mutual electromagnetic induction to step up or step…
Waves, Oscillations & AcousticsTransverse Wave
A wave in which medium particles oscillate perpendicular to the direction of wave energy propagation.
Geophysics & Environmental PhysicsTroposphere
The lowest layer of Earth's atmosphere, extending from the surface up to the tropopause (~7 to 18 km), containing ~80% of atmospheric mass…
Waves, Oscillations & AcousticsTsunami
A series of extremely long-wavelength ocean water waves generated by sudden vertical displacement of the seafloor.
Astrophysics, Cosmology & RelativityTwin Paradox
A famous thought experiment in special relativity where one twin travels into space at high speed and returns younger than the twin who…
Plasma PhysicsTwo-Stream Instability
A fundamental electrodynamic plasma instability that occurs when two counter-streaming particle beams or an electron beam injected into a…
OpticsTyndall Effect
The scattering of a light beam by colloidal particles or tiny suspended matter in a fine suspension or transparent medium.
Condensed Matter & Materials PhysicsType I & II Superconductors
The classification of superconductors based on their magnetic field response and flux penetration characteristics.
Condensed Matter & Materials PhysicsUnit Cell
The smallest repeating structural unit of a crystal lattice that generates the entire 3D crystal structure through simple translational…