alumina trihydrate

noun

Definition of alumina trihydrate 

: the trihydrate of alumina Al(OH)3 used primarily for its flame-retardant properties The influence of the inorganic flame retardants, including alumina trihydrate (ATH) and borax … on the mechanical properties and flammability of high density polyethylene has been studied.Journal of Technology and Science, 9 May 2010

Note: At approximately 350 degrees Fahrenheit, Al(OH)3 decomposes to Al2O3·3H2O, absorbing heat and releasing water vapor.

abbreviation ATH — compare aluminum hydroxide

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of alumina trihydrate

1898, in the meaning defined above

Keep scrolling for more

Learn More about alumina trihydrate

Share alumina trihydrate

Statistics for alumina trihydrate

Look-up Popularity

Time Traveler for alumina trihydrate

The first known use of alumina trihydrate was in 1898

See more words from the same year

Comments on alumina trihydrate

What made you want to look up alumina trihydrate? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a private place of worship

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!