gyrosine

== English == === Noun === gyrosine (plural gyrosines) Given a gyrotriangle ABC, where the gyroangle defined by the gyrovectors ꝊAꚚC and ꝊCꚚB is a right angle, the gyrosine of the gyroangle defined by ꝊBꚚA and ꝊAꚚC is the length of ꝊBꚚA divided by the length of ꝊAꚚC.