natu - non-
- natural
- natural absorption coefficient
- natural abundance
- natural acoustic emission
- natural activity
- natural ageing
- natural amplitude modulation
- natural anisotropy
- natural attenuation
- natural axis
- natural background
- natural background radiation
- natural birefringence
- natural boundary condition
- natural broadening
- natural circulation
- natural convection
- natural coordinate system
- natural coordinates
- natural decay
- natural diamond
- natural diatonic scale
- natural disintegration
- natural earth currents
- natural element
- natural experiment
- natural fluctuations
- natural frequency
- natural graphite
- natural gyrotropy
- natural head
- natural isotope
- natural isotopic composition
- natural isotopic mixture
- natural lifetime
- natural light
- natural line
- natural logarithm
- natural magnet
- natural magnetism
