mer — English Dictionary

Noun

1. A repeat unit: a structural unit which through repetition forms a polymer.

   Examples

   A polymer is a compound formed of repeating structural units called mers, whose atoms share electrons to form very large molecules.

Noun

1. merpeople

   Usage

   • plural
   • Plural only

   Examples

   More examples (1)

   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.