cupulometry

cu·pu·lom·e·try

(kyōō′pyə-lŏm′ĭ-trē)
n.
A method for testing vestibular function, in which a person rotates in a chair and the duration of vertigo and nystagmus after the chair has stopped is plotted against angular deceleration.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.