What does "observable" mean?

Any physical property that can be observed and measured directly and not derived from other properties

How do you pronounce "observable"?

Pronounced //əbˈzɝ.və.bəl//.

Common synonyms include: apparent, appreciable, axiomatic, behavior related, behavioral plan, behavioral property.

/əbˈzɝ.və.bəl/ adj, noun

adj, noun ·Common ·High school level

Noun

1
Any physical property that can be observed and measured directly and not derived from other properties
"Temperature is an observable but entropy is derived."

Adjective

1
Able to be observed.
"The strange new star was at the edge of the observable universe."
2
Deserving to be observed; worth regarding; remarkable.

Adjective

"Isolated material particles are abstractions, their properties being definable and observable only through their interaction with other systems."

From observe + -able.