grapho-, graph-, -graph, -graphy, -grapher, -graphia +

1. The scientific description and analysis of the physical conditions, boundaries, flow, and related characteristics of the earth's surface waters.
2. The mapping of bodies of water.

1. The science which has for its object the description of the waters of the earth’s surface, the sea, lakes, rivers, etc., comprising the study and mapping of their forms and physical features, of the contour of the sea-bottom, shallows, etc., and of winds, tides, currents, and the like. 2. The subject-matter of this science; the hydrographical features of the globe or part of it; the distribution of water on the earth’s surface.
3. The scientific description and analysis of the physical conditions, boundaries, flow, and related characteristics of the earth's surface waters.
4. The mapping of bodies of water.

An instrument that measures and records the rate of water discharge from a pipe or an orifice.

1. An apparatus for measuring the pressure or flow of a fluid.
2. An instrument for recording the flow or pressure of a fluid; e.g., the flow of urine or the pressure of spinal fluid.

A description of the pressure and the flow of fluids; such as, the pressure of the spinal fluid or the flow of urine.

A written description of aquatic plants.

1. A recording of blood pressure by means of a hydrosphygmograph using water as an index.
2. A sphygmograph in which the pulse beat is transmitted to the recorder through a column of water.

A sphygmograph is an instrument which, when applied over an artery, indicates graphically the movements or character of the pulse.

A chart or graphic representation of the average distribution of rain over the surface of the earth.

A reference to a chart showing the amount of rainfall.

1. Descriptive of a chart, or graph, showing the pattern of rainfall in an area.
2. Characterized by an instrument that automatically collects rain and measures its amount.

The science that deals with the origins, structures, and various other features of all forms of precipitation or rain fall.

1. The branch of meteorology that deals with the distribution and mapping of rainfall.
2. The study of the annual variations and geographic distributions of precipitation.

1. A chart showing the distribution of rainfall over the earth, or any part of it.
2. An instrument used to measure and to record rainfall.

A branch of meteorology that is involved with the measurements of the distributions of rainfall, and of its presentation graphically in charts, maps, etc.

An instrument for automatically registering the variations in air humidity.