1. The tendency for a visual object to be perceived as having the same brightness under widely different conditions of illumination

Type of: constancy, perceptual constancy

• megasporangium
• megaspore
• megasporophyll
• megastar
• megastore
• megathere
• megatherian
• megatherian mammal
• megatheriid
• Megatheriidae
• Megatherium
• megaton
• megaton bomb
• megavitamin therapy
• megavolt
• megawatt
• megestrol
• megestrol acetate
• Meghalaya
• megillah
• megilp
• megohm
• megrim
• megrims
• Mehemet Ali