photophobic

adjective

pho·​to·​pho·​bic ˌfō-tə-ˈfō-bik 

1

a

: shunning or avoiding light

b

: growing best under reduced illumination

2

: of or relating to photophobia

Examples of photophobic in a Sentence

Recent Examples on the Web

In the case of slime mold, which is photophobic, the presence of light will slow down the electrical activity, creating a more sluggish beat. —Liz Stinson, WIRED, 6 Oct. 2015

Word History

First Known Use

1855, in the meaning defined at sense 1a

Medical Definition

photophobic

adjective

pho·​to·​pho·​bic -ˈfō-bik 

1

: shunning or avoiding light

2

: of or relating to photophobia