Definition of fluoride
1 : a compound of fluorine
2 : the monovalent anion of fluorine
Recent Examples of fluoride from the Web
Sherwood’s home has been tented so that sulfuryl fluoride, a poisonous, odorless gas, can be sprayed inside.
My parents overdid it a little on my fluoride treatments.
There's a small corner where the story is told of patient George A. Nosen, who in 1942 mistook cockroach poison for powdered milk and accidentally caused the deaths of 47 patients who consumed scrambled eggs laced with the sodium fluoride.
See mini-presentations on food, health and parenting; meet teachers and school leaders; get fluoride treatments and sealants for children; and more.
For example, at Concorde, veterans always get 100 percent free treatments for things like cleanings, X-rays, teeth sealants, sports guards and fluoride treatments.
When the module splashed down, the module's floor filled up with seawater, causing fluoride contamination.
Using sodium fluoride to detect where cancer is spreading, a PET scan suggests the radium has helped eradicate cancer cells in multiple areas of Maddie’s bone, including her skull base and the top of her spine.
Bone density can be misleading — fluoride, for example, increases density but does not prevent fractures.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fluoride.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of fluoride
FLUORIDE Defined for English Language Learners
Definition of fluoride for English Language Learners
: a chemical that is sometimes added to drinking water and toothpaste to help keep teeth healthy
FLUORIDE Defined for Kids
Definition of fluoride for Students
: a compound of fluorine Many toothpastes contain fluoride to help prevent tooth decay.
Seen and Heard
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