suction anemometer

suction anemometer

[′sək·shən ‚an·ə′mäm·əd·ər]
(engineering)
An anemometer consisting of an inverted tube which is half-filled with water that measures the change in water level caused by the wind's force.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.