principal axis
https://w3id.org/framester/wn/wn30/instances/synset-principal_axis-noun-1 <https://w3id.org/framester/wn/wn30/schema/NounSynset>
xsd:string
principal axis
xsd:string
06010105-n
optic axis
principal axis
105655281
xsd:string
0
xsd:string
0
a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted; "in a normal eye the optic axis is the direction in which objects are seen most distinctly"
xsd:string
106010105