1. (chemistry) any chemical reaction in which a compound is decomposed by light

Encyclopedia: Photolysis

• tar paper
• unerect
• unerring
• unerringly
• UNESCO
• unescorted
• unessential
• unestablished
• unethical
• unethically
• uneven
• uneven bars
• uneven parallel bars
• unevenly
• unevenness
• uneventful
• uneventfully
• unexacting
• unexampled
• unexceeded
• unexcelled
• unexceptionable
• unexceptionably
• unexceptional
• unexchangeability