an instrument that measures altitude and records the measurements graphically
altigraph in American English
(ˈæltəˌgræf)
noun
an altimeter that records altitude automatically on a chart
Word origin
alti- + -graph
altigraph in American English
(ˈæltɪˌɡræf, -ˌɡrɑːf)
noun
an altimeter equipped with a device for recording its measurements on a graph
Word origin
[alti- + -graph]-graph is a combining form meaning “drawn,” “written” (lithograph; monograph). It is specialized in meaning to indicate the instrument rather than the writtenproduct of the instrument (telegraph; phonograph)