photoneutral
lucifugally
holophotal
dark
opaque
lucifugal
darkness
lucifugous
dim
subdued
optophysiology
photoreleasable
photoentrainable
lightproof
photodependent
light-tight
photoreduction
darkly
in darkness
photounbinding
photoinactivation
nonlight
lightlessly
lightlessness
total darkness
pitch blackness
blackness
black
dry light
sunproof
photoliberation
optical opacity
interreflection
semitransparency
translucence
translucency
photoaversion
photoavoidance
photoprevention
leuconephelinite
from can see to can't see
photomotile
antiultraviolet
semidark
aphotic
photonastic
transparently
underexpose
photodeactivation
opacity