Late 16th century; earliest use found in Henry Billingsley (d. 1606), merchant and translator. From post-classical Latin concentricusconcentric + -al.
Definition of concentrical in US English:
concentrical
adjective
Concentric.
Origin
Late 16th century; earliest use found in Henry Billingsley (d. 1606), merchant and translator. From post-classical Latin concentricus concentric + -al.