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phototreatment
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Contents
1
English
1.1
Etymology
1.2
Noun
1.2.1
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English
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Etymology
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photo-
+
treatment
Noun
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phototreatment
(
countable
and
uncountable
,
plural
phototreatments
)
The
treatment
of waste
water
with
ultraviolet light
Related terms
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phototreat