As nouns the difference between multifoil and multifil
is that multifoil is (architecture) a symmetrical shape which forms the overall outline of a set of partially-overlapping circles of the same diameter while multifil is a multifilament yarn.
multifoil
English
Noun
(
en noun)
(architecture) A symmetrical shape which forms the overall outline of a set of partially-overlapping circles of the same diameter.
See also
* trefoil
* quatrefoil
* cinquefoil
* sexfoil
* octofoil
* polyfoil