Meanings

polyline

loopback test

loopback test

loopback point

to exhaust all one's options

penile fracture

circumflex accent

on that occasion

splint

double refraction

folded in half

to break by hand (e.g. a flower)

neutron diffraction

turning point

depressed fracture

open fracture

lapel

line to fold along (e.g. origami, packaging)

quire (bookbinding)

gambrel roof