Definition of "fluorosis" [fluorosis]

• An abnormal condition caused by excessive intake of fluorine, as from fluoridated drinking water, characterized chiefly by mottling of the teeth. (noun)

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.

• "There is also a known condition called fluorosis, which occurs when a child gets too much fluoride when teeth are developing."
• "Fluoride can not only cause mottling of the teeth known as fluorosis, but is also thought to be an aggravating factor in the onset of osteoporosis and the junior version, osteomalacia."
• "He said you might be able to learn if there was a condition called fluorosis in the teeth, and possibly to give his office information that would help to identify the woman."