oxid - part
- oxidant
- oxidation-reduction indicator
- Oxidation-reduction titration
- p-cleavage
- p-type delayed fluorescence
- P.I.N. Semiconductor detector
- packed column
- packing
- pair attenuation coefficient
- pair production
- paper chromatography
- parallel ignition
- parallel-parallel mirror configuration
- paralysis circuit
- paramagnetic compounds
- parent ion
