Sqn is often a misspelling of syn.
Sqn has no English definition.
As an adjective syn
is that has a torsion angle between 0° and 90°.
syn
English
Adjective
(
en adjective)
(chemistry) That has a torsion angle between 0° and 90°.
Coordinate terms
* (chemistry) anti
Anagrams
*
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sqn
English
===(en)===
sqn' or ' sqn.
squadron