massemedier is the neuter plural indefinite of massemedium.

massemediumN

Kven

massamediumiN

Norwegian Bokmål – Kvendict-nob-fkv/src/N_nobfkv.xml:98581Edit on GitHub Suggest

hivvodatmediaN

Norsk-nordsamisk ordbokdict-nob-sme/src/N_nobsme.xml:196037Edit on GitHub Suggest

Case	Sg	Pl
Indef	massemedium	massemedier
Def	massemediet	massemediene