Dictionary.com
definitions

Djerassi

[jə-räs′ē]Carl Born 1923

Austrian-born American chemist noted for his work on the development of an oral contraceptive.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for djerassi

Djerassi

[djĕ-rä′sē]Carl Born 1923

Austrian-born American chemist who pioneered the development of the first contraceptive pill, as well as many commonly used drugs, including antihistamines and anti-inflammatory agents.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.