Index: U
ultrasonic waves
ultraviolet radiation
unaccommodated (eye)
unbalanced bridge
unbound state
uncertainty
underdamping
uni-axial compressional strain
uni-axial compressional stress
uni-axial rotation
uniform
uniform acceleration
uniform acceleration equations
uniform circular motion
uniform field
uniform medium
uniform (linear) motion
uniform motion equations
uniform speed
uniform stress
uniform velocity
uniqueness theorem
unit
unit cell
unit area
unit potential difference
unit length
unit (point) charge
unit (point) mass
unit time
unit vector
unit volume
unit wavelength
universal constant
universal gas constant
universal gravitational constant
universal law of gravitation
Universe
unknown (variable)
unpaired electron
unpolarized
unstable equilibrium
unstable nucleus
upper limit (of integration)
upper limit (of summation)
upthrust
Copyright 1997, The Open University