deci- (symbol d) is a prefix in the SI system of units denoting a factor of 10−1 (1/10).

Adopted in 1795, the prefix comes from the Latin decimus, meaning tenth. Its most frequent use is in the decibel, used to measure sound intensity (relative to a reference) and many other ratios.

See also

SI prefix

Search another word or see deci'mationon Dictionary | Thesaurus |Spanish
Copyright © 2015, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature