Lectionary Calendar
Sunday, February 22nd, 2026
the First Sunday of Lent
There are 42 days til Easter!
Attention!
Take your personal ministry to the Next Level by helping StudyLight build churches and supporting pastors in Uganda.
Click here to join the effort!

Bible Dictionaries
Phototaxy

Webster's Dictionary

Search for…
or
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Prev Entry
Phototaxis
Next Entry
Phototelegraphy
Resource Toolbox
Additional Links

(n.) The influence of light on the movements of low organisms, as various infusorians, the zoospores of certain algae, etc.; also, the tendency to follow definite directions of motion or assume definite positions under such influence. If the migration is toward the source of light, it is termed positive phototaxis; if away from the light, negative phototaxis.

Bibliography Information
Webster, Noah. Entry for 'Phototaxy'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/phototaxy.html. 1828.
 
adsfree-icon
Ads FreeProfile