Located or made for use between the teeth.(adjective)
Pronounced with the tip of the tongue between the teeth, as (þ) in that or (th) in thumb.(adjective)
An interdental consonant.(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.
Use "interdental" in a sentence
"We pass the shoe market, where hundreds of shoes hang from the ceilings on strings; the purse market, hanging by purse strings; the music mart, where the rich interdental consonants of Arabic songs consume the air; the basket bazaar; a merchant unfurling a yo-yo."
"Professional checkups and cleaning are important as well, as is flossing and the use of interdental brushes."
"Wish I'd bought new toothbrushes more often, saved up enough to go for a professional cleaning and checkup once a year and invested in dental floss and interdental brushes!"