noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A mineral (such as talc) used to prevent blocking during the extrusion of plastic films.
2. 2
   A kind of software that disrupts the activity of viruses, etc. that attempt to block the activity of a computer.

Etymology

From anti- + blocker.

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