Related Content
- Daily Word Quiz: spectral
- Analogy of the Day: Today’s Analogy
- Spelling Bee: Today’s Spelling Bee
- Frequently Misspelled Words
- Frequently Mispronounced Words
- Easily Confused Words
- Writing & Language
photoactivation: Meaning and Definition of
pho•to•ac•ti•va•tion
Pronunciation: (fō"tō-ak"tu-vā'shun), [key]
— n. Chem.
- the activation or control of a chemical, chemical reaction, or organism by light, as the activation of chlorophyll by sunlight during photosynthesis.
