The story
First coined by Alfred Kinsey of the Kinsey Institute, and later employed by Masters and Johnson and the 1970 U.S. Census forms.
Etymology from Wiktionary, CC BY-SA 4.0.
First coined by Alfred Kinsey of the Kinsey Institute, and later employed by Masters and Johnson and the 1970 U.S. Census forms.
Etymology from Wiktionary, CC BY-SA 4.0.