diamine

[dahy-uh-meen, dahy-am-in]

noun Chemistry.

a compound containing two amino groups.

hydrazine(def 1).

Origin of diamine

First recorded in 1865–70; di-¹ + amine

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for diamine

Historical Examples of diamine

Diamine brown V. Dye at the boil to shade; lift, wash and dry.
The Dyeing of Cotton Fabrics
Franklin Beech
It is probably a diamine, but has not been obtained in sufficient quantity for accurate chemical study.
Poisons: Their Effects and Detection
Alexander Wynter Blyth
Phenol for claret from Diamine cutch, and for gold yellow from Primuline, etc.
The Dyeing of Cotton Fabrics
Franklin Beech
Diamine blue B X. Work at the boil to shade, then lift, wash and dry.
The Dyeing of Cotton Fabrics
Franklin Beech
Alpha-naphthol for dark reds from Primuline, greys from Diamine blues, Neutral grey, etc.
The Dyeing of Cotton Fabrics
Franklin Beech

British Dictionary definitions for diamine

diamine

noun

any chemical compound containing two amino groups in its molecules

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012