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bifolium
Language
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English
edit
Etymology
edit
bi-
+
folium
Noun
edit
bifolium
(
plural
bifolia
)
(
geometry
)
A
quartic
plane curve
whose
equation
in
Cartesian coordinates
is
(
x
2
+
y
2
)
2
=
a
x
2
y
{\displaystyle (x^{2}+y^{2})^{2}=ax^{2}y}
.
Categories
:
English terms prefixed with bi-
English lemmas
English nouns
English countable nouns
English nouns with irregular plurals
en:Geometry
en:Curves
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English entries with topic categories using raw markup