Pem

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Initialism of polymer electrolyte membrane. abbreviation, alt-of, countable, initialism, uncountable
  2. 2
    Initialism of proton exchange membrane. abbreviation, alt-of, countable, initialism, uncountable
  3. 3
    Acronym of power electronics module. abbreviation, acronym, alt-of, countable, uncountable
  4. 4
    Initialism of post-exertional malaise. abbreviation, alt-of, countable, initialism, uncountable

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.