chemiluminescence
Concise Oxford English Dictionary © 2008 Oxford University Press:
chemiluminescence/kɛmɪluːmɪˈnɛs(ə)ns/
▶noun the emission of light during a chemical reaction which does not produce significant quantities of heat.
– derivatives
chemiluminescent adjective.
chemiluminescent adjective.
'chemiluminescence' also found in these Oxford entries:

