seco - shal
- second
- second adiabatic invariant
- second anode
- second anti-Stokes component
- second Bethe approximation
- second Bohr postulate
- second boiling crisis
- second Born approximation
- second derivative gradiometer
- second determination
- second differential
- second diffuse series
- second generation
- second harmonic
- second harmonic generator
- second harmonic heating
- second harmonic radiation
- second ionization potential
- second Kepler law
- second kind supernova
- second law
- second mean chord
- second moment
- second motion
- second of arc
- second order
- second order echo
- second order gradiometer
- second phase
- second polarization moment
- second quantization
- second quantization operator
- second quantized interaction
- second sound
- second stability zone
- second Stokes component
- second subordinate series
- second surface sound
- second Townsend coefficient
- second variation