Half-mask

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A mask covering half the face:; A dust mask.
  2. 2
    A mask covering half the face:; A filtering facepiece respirator.
  3. 3
    A mask covering half the face:; An elastomeric respirator.
  4. 4
    A mask covering the eyes and perhaps the forehead or nose, but not the mouth
  5. 5
    A mask covering the eyes and perhaps the forehead or nose, but not the mouth:; A half-face diving mask.

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