光触媒 光觸媒
光触媒光觸媒 in English
Stroke order
Show the animation Stroke data from Make Me a Hanzi, derived from the Arphic PL fonts under the Arphic Public License.
Show the animation 
Stroke data from Make Me a Hanzi, derived from the Arphic PL fonts under the Arphic Public License.
How it used to be written
光
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Oracle bone script 商 -
Clerical script 東漢 - See all 21 forms
触
These are the forms of 觸, the traditional character: 触 is a twentieth-century simplification, found in no ancient corpus.
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Warring States script 戰國.齊 -
Clerical script 東漢 - See all 9 forms
媒
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Small seal script -
Clerical script 西漢
Forms, sources and dates: the 字形演變 database of 小學堂, Academia Sinica, public domain (CC0).