orbital index
Physical Anthropol.
noun
An indicator of the size and shape of the orbit, obtained by multiplying the ratio of its width to its height by 100.
Origin
Late 19th century; earliest use found in Journal of the Royal Anthropological Institute. After French indice orbitaire.
- refractive error
- refractive index
- refractively
- refractiveness
- refractive power
- refractometer
- refractometric
- refractometrically
- refractometry
- refractor
- refractorily
- refractoriness
- refractory
- refractory period
- refracture
- refragable
- refraid
- refrain
- refrainer
- reframe
- refranation
- refrangent
- refrangibility
- refrangible
- refreeze