Definition of "gravimeter" []

• An instrument used to measure specific gravity. (noun)
• An instrument used to measure variations in a gravitational field. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It was called a gravimeter, and it sat in a huge glass-and-wood cabinet like the ones you see at the Smithsonian or the British Museum."
• "The experiment does not yet yield a gravity measurement of great accuracy, but the researchers believe the technique could lead to a workable "gravimeter" small enough to use in navigation systems that depend on acceleration measurements."
• "Using a sensitive gravimeter (as in reading microgals for use in geophysical exploration) one can take readings at several different heights above the floor."