seco - šilu
- second
- second class conductor
- second cosmic velocity
- second forbidden spectrum
- second ionization potential
- second kind error
- second law of thermodynamics
- second moment
- second nodal point
- second order correction
- second order error
- second pendulum
- second principe de la thermodynamique
- second radiation constant
- second subordinate series
- second watch
- second-forbidden transition
- second-order curve
- second-order phase change
- second-order phase transition
- secondary cell
- secondary certified reference solution
- secondary circuit
- secondary circuit current
- secondary coil
- secondary condition
- secondary cosmic radiation
- secondary cosmic rays
- secondary current
- secondary effect
- secondary electron
- secondary electron counter
- secondary electron current
- secondary electron resonance
- secondary electron spectrum
- secondary emission
- secondary emission
- secondary emission current
- secondary emitter
- secondary ion
