(dated) An instrument for measuring and automatically recording the rise and fall of a river.
herpesvirus
herpesvirus
noun
Any of the family Herpesviridae, double-stranded DNA viruses, many of which are responsible for diseases such as chickenpox, herpes simplex, and shingles, and others affecting animals.
hypervolume
hypervolume
noun
(geometry) A volume in more than three dimensions.
overhelpful
overhelpful
adj
Excessively helpful.
photovisual
photovisual
adj
(astronomy) Relating to the magnitude of a star as measured by the size of its image on an isochromatic photographic emulsion.
(optics) Of certain achromatic lenses, having the same focus for the actinic and for the brightest of the visual rays.
phytivorous
phytivorous
adj
Feeding on plants or herbage; phytophagous.
pluviograph
pluviograph
noun
An instrument for measuring the amount of water that has fallen (i.e. a rain gauge), with a feature to register the data in real time to demonstrate rainfall over a short period, often an automated graphing instrument.
