[ dahy-fos-feyt ]
/ daɪˈfɒs feɪt /

noun Chemistry.

a pyrophosphate.
a phosphate containing two phosphate groups.

Origin of diphosphate

First recorded in 1820–30; di-1 + phosphate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for diphosphate


[ dī-fŏsfāt′ ]


An ester of phosphoric acid containing two phosphate groups.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.