a fluoride containing three atoms of fluorine.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use trifluoride in a sentence
There are small deposits of such things as bromine trifluoride, but these have no great importance.
It sometimes appears combined with fluorine in chlorine trifluoride.
In it are dissolved varying quantities of metallic and non-metallic fluorides, such as boron trifluoride, sodium fluoride, etc.