isometric scale
n.
A radiopaque strip of metal calibrated in centimeters, placed between the buttocks of an individual to be x-rayed, used to measure anteroposterior diameters of the pelvis.
Words nearby isometric scale
isomerous,
isomers,
isometric,
isometric exercise,
isometric period of cardiac cycle,
isometric scale,
isometrics,
isometropia,
isometry,
isomorph,
isomorphic