add-in

Noun

Open English WordNet

Noun (1)

  1. a printed circuit that can be inserted into expansion slots in a computer to increase the computer's capabilitiesSynonyms: circuit boardcircuit cardboardcardplug-inType of printed circuitKinds PC board, CPU board
Word of the day · Nov 2About this word
perniciousadjective

What does it mean? Question 1 of today’s quiz

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