Past tense of epoxy: to join or coat materials together using epoxy resin, a strong adhesive plastic substance.
From epoxy (from Greek 'epi-' meaning 'upon' and 'oxys' meaning 'sharp'), plus the past tense suffix '-ed'. Epoxy was coined in the 1940s for the chemical compound.
Epoxy is one of the most important adhesives in modern manufacturing—it's so strong that space agencies use it to repair spacecraft. The word itself perfectly describes what happens chemically: the resin 'sits upon' and fills in molecular sharp points.
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