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trifocal
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Contents
1
English
1.1
Etymology
1.2
Adjective
1.2.1
Related terms
English
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Etymology
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From
tri-
+
focal
.
Adjective
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trifocal
(
not
comparable
)
(
optics
)
Of or pertaining to
corrective
lenses
that have three different powers per
eye
.
Related terms
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bifocal
trifocals
Categories
:
English terms prefixed with tri-
English lemmas
English adjectives
English uncomparable adjectives
en:Optics
English 3-syllable words
Hidden categories:
English entries with language name categories using raw markup
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