Sspe

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Initialism of subacute sclerosing panencephalitis. abbreviation, alt-of, initialism, uncountable
  2. 2
    a rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and young adults; death usually occurs within three years; characterized by primary measles infection before the age of two years wordnet

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