# 17-26-020

phototaxis

property of mobile organisms to move in response to light

Note 1 to entry: For example, positive phototaxis involves movement (such as in swimming) towards a source of optical radiation and negative phototaxis away from such a source.

Note 2 to entry: This entry was numbered 17-944 in CIE S 017:2011.

Publication date: 2020-12