HYPPOGRIFF
Hyp"po*griff, n.
Defn: See Hyppogriff.
HYPSILOID
Hyp"si*loid, a. Etym: [From -oid.] (Anat.)
Defn: Resembling the Greek letter
HYPSOMETER
Hyp*som"e*ter, n. Etym: [Gr. -meter.] (Physics)
Defn: An instrument for measuring heights by observation of barometric pressure; esp., one for determining heights by ascertaining the boiling point of water. It consists of a vessel for water, with a lamp for heating it, and an inclosed thermometer for showing the temperature of ebullition.
HYPSOMETRIC; HYPSOMETRICAL
Hyp`so*met"ric, Hyp`so*met"ric*al, a.
Defn: Of or pertaining to hypsometry.
HYPSOMETRY
Hyp*som"e*try, n.
Defn: That branch of the science of geodesy which has to do with the measurement of heights, either absolutely with reference to the sea level, or relatively.