1. Not penetrable by light
   - lightproof

See also: opaque

• benedick
• benedict
• Benedict Arnold
• Benedict de Spinoza
• Benedict XIV
• Benedict XV
• Benedict XVI
• benedictine
• Benedictine order
• benediction
• benedictive
• benedictory
• Benedictus
• benefact
• benefaction
• benefactive role
• benefactor
• benefactress
• benefic
• benefice
• beneficed
• beneficence
• beneficent
• beneficently
• beneficial