ˈkamˌfēn, ̷ ̷ˈ ̷ ̷ noun
( -s )
Etymology: International Scientific Vocabulary camph- + -ene
: any of several terpenes related to camphor ; specifically : a colorless crystalline terpene C 10 H 16 found in three optically different forms in several essential oils, made synthetically from pinene as a step in synthesizing camphor, and used in making insecticides (as toxaphene); 3,3-dimethyl-2-methylene-norbornane