---

Photoactinic

---

Read Also:

• Photo-

  1. a combining form meaning “light” (photobiology); also used to represent “photographic” or “photograph” in the formation of compound words: photocopy. combining form 1. of, relating to, or produced by light: photosynthesis 2. indicating a photographic process: photolithography word-forming element meaning “light” or “photographic” or “photoelectric,” from Greek photo-, comb. form of phos (genitive photos) […]

• Photoactivation

  [foh-toh-ak-tuh-vey-shuh n] /ˌfoʊ toʊˌæk təˈveɪ ʃən/ noun, Chemistry. 1. the activation or control of a chemical, chemical reaction, or organism by light, as the activation of chlorophyll by sunlight during photosynthesis.

• Photoactive

  [foh-toh-ak-tuh-vey-shuh n] /ˌfoʊ toʊˌæk təˈveɪ ʃən/ noun, Chemistry. 1. the activation or control of a chemical, chemical reaction, or organism by light, as the activation of chlorophyll by sunlight during photosynthesis. /ˌfəʊtəʊˈæktɪv/ adjective 1. (of a substance) capable of responding to light or other electromagnetic radiation

• Photoaging

  [foh-toh-ey-jing] /ˌfoʊ toʊˈeɪ dʒɪŋ/ noun 1. damage to the skin, as wrinkles or discoloration, caused by prolonged exposure to sunlight.

• Photoallergic

  [foh-toh-uh-lur-jik] /ˌfoʊ toʊ əˈlɜr dʒɪk/ adjective 1. .

---