denoting or relating to a chemical change which is accompanied by a liberation of heat (opposed to endothermic).
Conditions
When you submit material to Macquarie Dictionary the following conditions apply:
This database is run and maintained by Macquarie Dictionary Publishers an imprint of Pan Macmillan Australia Pty Ltd, publishers of the Macquarie Dictionary.
The Macquarie Dictionary Publishers an imprint of Pan Macmillan Australia Pty Ltd maintains the right to publish in book or electronic form products arising from this website.