| This autostub has not yet had its initial copyediting proof and may contain significant formatting and even factual errors. You can improve Exodictionary by cleaning up the page markup and verifying that the definition is correct and then removing this tag.
| This autostub has not yet had its initial categorization proof and may be categorized incorrectly. You can improve Exodictionary by removing inappropriate categories and then removing this tag.
The interval between any two frequencies
having the ratio of 1:2.
The interval in octaves between any two frequencies is the logarithm to
the base 2 (or 3.322 times the logarithm to the base 10) of the frequency
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use