As an adjective amical
is friendly, amicable.
As a noun aminal is
(organic chemistry) any organic compound having two amino functional groups attached to the same carbon atom - r2
* 2002 , , The Great Nation , Penguin 2003, p. 172:
- The Encyclopédie pulled through this crisis mainly through the amical assistance of Malesherbes, councillor in the Paris Cour des Aides, a member of the Lamoignon clan, and official Director of the Book Trade.
(organic chemistry) Any organic compound having two amino functional groups attached to the same carbon atom - R2C(NR2)2
* geminal diamine