observable[əb zʉrv′ə bəl]
observable definition by Webster's New World
- that can be observed; visible; discernible; noticeable
- deserving of attention; noteworthy
- that can or must be kept or celebrated: an observable holiday
Origin: Classical Latin observabilis
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- observably adverb
observable definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
- Possible to observe: observable phenomena; an observable change in demeanor. See Synonyms at noticeable.
- Deserving or worthy of note; noteworthy: an observable anniversary.
A physical property, such as weight or temperature, that can be observed or measured directly, as distinguished from a quantity, such as work or entropy, that must be derived from observed quantities.
- ob·servˈa·bly adverb
observable - Science Definition
A measurable property of a physical system, such as mass or momentum. In quantum mechanics, observables correspond to mathematical operators used in the calculation of measurable quantities. Operators that do not commute , having a nonzero commutator , correspond to observables that cannot be precisely measured at the same time, such as momentum and position. See also uncertainty principle.