Meanings
mer1
plural mers
- chemistryA repeat unit: a structural unit which through repetition forms a polymer.
A polymer is a compound formed of repeating structural units called mers, whose atoms share electrons to form very large molecules.
2010, Mikell P. Groover, Fundamentals of Modern Manufacturing (4th Edition), page 9
mer2
- pluralplural onlyfantasymerpeople
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.
2013, Missy Fleming, Into the Deep, page 65
mer3
MER4
- USabbreviationinitialismspace; US space program; space; US space programInitialism of Mars Exploration Rover.
Mer5
- A commune in Loir-et-Cher department, Centre-Val de Loire, France.
Mer6
- A diminutive of the female given name Meredith.
Mer7
Origin
mer · noun
- Proto-Indo-European*pleh₁-
- Proto-Indo-European*polh₁ús
- Ancient Greekπολῠ́ς (polŭ́s)
- Englishpoly-
- Proto-Indo-European*(s)mer-
- Proto-Indo-European*(s)méros
- Proto-Hellenic*(h)méros
- Ancient Greekμέρος (méros)
- Englishpolymerclip.
- Englishmer
Clipping of polymer.
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
mer. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/mer
“mer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/mer. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “mer,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/mer.
Source: mer on Wiktionary, CC BY-SA 4.0.