Mer
Origin 1
Full definition of mer
Noun
mer
(plural mers)- (chemistry) A repeat unit: a structural unit which through repetition forms a polymer.
- 2010, Mikell P. Groover, Fundamentals of Modern Manufacturing (4th Edition), A polymer is a compound formed of repeating structural units called mers, whose atoms share electrons to form very large molecules.
Origin 2
Noun
mer
(plural only)- (fantasy) merpeople
- 2013, Missy Fleming, Into the Deep (page 65)There are mermaids and mermen everywhere. They swim above us and linger in nooks and arched doorways. It's impossible not to stare. The mer are as diverse as humans—all ages, size, shape, and color.----