photopathy

[ foh-top-uh-thee ]

/ foʊˈtɒp ə θi /

noun

movement of an organism in response to the intensity of light, especially away from the source of light.

any condition or disease produced by the effect of light, especially in excessive amounts.

QUIZZES

TAKE THIS QUIZ TO SEE WHAT YOU KNOW ABOUT HIGH SCHOOL PUNCTUATION!

Commas mark divisions in sentences. Periods end declarative sentences. Apostrophes show possession. Easy, right? Well, punctuation can get pretty tricky—fast. Think you got what it takes to be a punctuation expert? Take our quiz to prove it!

Question 1 of 10

Which of the options below is the best punctuation for the sentence? It__s your turn to pick the movie __ but your sister gets to pick the board game we _ re going to play.

Its your turn to pick the movie but your sister gets to pick the board game we’re going to play.

It’s your turn to pick the movie but your sister gets to pick the board game were going to play.

It’s your turn to pick the movie, but your sister gets to pick the board game we’re going to play.

TAKE THE QUIZ TO FIND OUT

Origin of photopathy

First recorded in 1895–1900; photo- + -pathy

OTHER WORDS FROM photopathy

pho·to·path·ic

[foh-tuh-path-ik] /ˌfoʊ təˈpæθ ɪk/, adjective

Words nearby photopathy

photonic, photonics, photonovel, photonuclear, photooxidation, photopathy, photoperceptive, photoperiod, photoperiodism, photophilic, photophilous