Dro*som"e*ter (?), n. [Gr.
dro`sos dew + -meter: cf. F.
drosométre.] (Meteorol.) An instrument for
measuring the quantity of dew on the surface of a body in the open
air. It consists of a balance, having a plate at one end to receive
the dew, and at the other a weight protected from the deposit of
dew.