Definition of "hydroxy" [hydroxy]

• Containing the hydroxyl group. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The next group may be called hydroxy-azo dyes, and are quite of modern introduction."
• "Before bed, Ms. Kilgore uses a face lotion that contains alpha hydroxy acids, which gently peel off dead cells."
• "Testing for 17 hydroxy-progesterone is best done fasting and in the latter part of the menstrual cycle."