1960s; earliest use found in British Journal of Ophthalmology. From photo- + coagulating, present participle of coagulate, after photocoagulation. Compare later photocoagulate and photocoagulated.
Definition of photocoagulating in US English:
photocoagulating
adjectiveˌfəʊtə(ʊ)kəʊˈaɡjʊleɪtɪŋ
Causing photocoagulation.
Origin
1960s; earliest use found in British Journal of Ophthalmology. From photo- + coagulating, present participle of coagulate, after photocoagulation. Compare later photocoagulate and photocoagulated.