SPECTROGRAPH

n.

2 definitions — Webster’s Dictionary (1828)


1.
n.

An apparatus for photographing or mapping a spectrum.

2.
n.

A photograph or picture of a spectrum. -- Spec`tro*graph"ic (#), a. --Spec`tro*graph"ic*al*ly (#), adv. --Spec*trog"ra*phy (#), n.