Associations to the word «Photochemical»

Wiktionary

PHOTOCHEMICAL, adjective. (chemistry) of, relating to, or produced by photochemistry or by photochemical reactions
PHOTOCHEMICAL REACTION, noun. (chemistry) Any chemical reaction initiated by the absorption of a quantum of electromagnetic radiation to form an excited state
PHOTOCHEMICAL REACTIONS, noun. Plural of photochemical reaction
PHOTOCHEMICAL SMOG, noun. Air pollution caused by photochemical reactions involving hydrocarbons, nitrogen oxides and other pollutants, especially in still air over cities
PHOTOCHEMICAL SMOGS, noun. Plural of photochemical smog

Dictionary definition

PHOTOCHEMICAL, adjective. Of or relating to or produced by the effects of light on chemical systems.

Wise words

Occasionally in life there are those moments of unutterable fulfillment which cannot be completely explained by those symbols called words. Their meanings can only be articulated by the inaudible language of the heart.
Martin Luther King Jr.