Search the Dictionary

A kind of writing frame for the blind.

A treatise on, or description of, coins and medals.

A marrying eight times. [R.] Chaucer.

A person eighty years, or more, of age.

Of eighty years of age. "Being then octogenary." Aubrey.

A pecuniary compensation for an injury, of eight times the value of the thing.

See Octagonal. [Obs.]

A Linnaean order of plants having eight pistils.

Having eight pistils; octagynous.

Generetion, or mode of development, of the teeth.

An instrument for marking or laying off the outlines of teeth of gear wheels.

Of or pertaining to odontography.

A description of the teeth.

The history of the individual development of an organism; the history of the evolution of the germ; the development of an individual organism, -- in distinction from phylogeny, or evolution of the tribe. Called also henogenesis, henogeny.

Of or pertaining to ontogenesis; as, ontogenetic phenomena. -- On`to*ge*net"ic*al*ly, adv.

Ontogenetic.

ects fixed on the retina by the photochemical action of light on the visual purple. See Optography.

The production of an optogram on the retina by the photochemical action of light on the visual purple; the fixation of an image in the eye. The object so photographed shows white on a purple or red background. See Visual purple, under Visual.

Mineralogy. [Obs.] -- Or`yc*tog*nos"tic, a. -- Or`yc*tog*nos"tic*al, a. [Obs.] -- Or`yc*tog*nos"tic*al*ly, adv. [Obs.]

Description of fossils. [Obs.]