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2 definitions found
From:
DICT.TW English-Chinese Dictionary 英漢字典
phototaxy
趨光性;向光性
From:
Webster's Revised Unabridged Dictionary (1913)
Pho·to·tax·is
Pho·to·tax·y
,
n.
Biol.
The
influence
of
light
on
the
movements
of
low
organisms
,
as
various
infusorians
,
the
zoospores
of
certain
alg
æ,
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
. --
Pho*to*tac*tic
a.
--
Pho*to*tac*tic*al*ly
,
adv.
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