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Adjective: trifocal  `trI'fow-kul
  1. Having three different lenses with different focal lengths
    "Trifocal lenses focus light in three areas: distance vision, intermediate vision, and near vision"

Encyclopedia: Trifocal

Nearest

trier
trifecta
trifid
trifid beggar-ticks
trifid bur marigold
trifle
trifle away
trifler
trifling
trifluoromethane
trifocal
trifoliata
trifoliate
trifoliate orange
trifoliated
trifoliolate
trifoliolate leaf
Trifolium
Trifolium alpinum
Trifolium dubium
Trifolium incarnatum