Mesopic
/mɪˈsɒpɪk/noun
Relating to vision under intermediate lighting conditions, such as twilight or a dimly lit room.
Did you know?Mesopic vision is a biological liminal state: both cone cells, which support color vision, and rod cells, which detect dim light, contribute at once.
Etymological Timeline
Proto-Indo-European
PIE
*medʰyos
“Middle or in-between”
Proto-Indo-European
PIE
*h₃ekʷ-
“Eye or seeing”
Ancient Greek
Greek
mesos
“Middle, intermediate”
Ancient Greek
Greek
ōps; opos
“Eye, face, or sight”
19th Century
Scientific English
mesopic
“Relating to intermediate illumination or twilight vision”
Modern English
English
mesopic
“Existing between photopic daylight vision and scotopic low-light vision”