| PHOTOING | • photoing v. Present participle of photo. • PHOTO v. (colloquial) to photograph. | 
| PHOTOIONISE | • PHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE. | 
| PHOTOIONIZE | • photoionize v. (Physics) To cause, or to undergo photoionization. • PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE. | 
| PHOTOINDUCED | • photoinduced adj. Induced as a result of interaction with electromagnetic radiation in the visible and near-visible range. • PHOTOINDUCED adj. induced by the action of light. | 
| PHOTOIONISED | • photoionised adj. Alternative spelling of photoionized. • PHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE. | 
| PHOTOIONISES | • PHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE. | 
| PHOTOIONIZED | • photoionized v. Simple past tense and past participle of photoionize. • photoionized adj. Subject to, or produced by photoionization. • PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE. | 
| PHOTOIONIZES | • photoionizes v. Third-person singular simple present indicative form of photoionize. • PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE. | 
| PHOTOIONISING | • PHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE. | 
| PHOTOIONIZING | • photoionizing adj. That causes or undergoes photoionization. • PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE. | 
| PHOTOINDUCTION | • photoinduction n. Induction as a result of irradiation by light. • PHOTOINDUCTION n. induction by the effect of light. | 
| PHOTOINDUCTIVE | • photoinductive adj. Relating to photoinduction. • PHOTOINDUCTIVE adj. relating to photoinduction. | 
| PHOTOINDUCTIONS | • photoinductions n. Plural of photoinduction. • PHOTOINDUCTION n. induction by the effect of light. | 
| PHOTOIONISATION | • photoionisation n. (Physics) The ejection of electrons from an atom or other species following the absorption of photons. • PHOTOIONISATION n. ionization (as in the ionosphere) of a molecule or atom caused by absorption of radiant energy, also PHOTOIONIZATION. | 
| PHOTOIONIZATION | • photoionization n. Alternative spelling of photoionisation. • PHOTOIONIZATION n. ionization (as in the ionosphere) of a molecule or atom caused by absorption of radiant energy, also PHOTOIONISATION. |