stable

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Related to bolting the stable door after the horse has bolted: close the barn door after the horse has bolted, shutting the stable door after the horse has bolted

stable

1
a. the racehorses belonging to a particular establishment or owner
b. the establishment itself
c. (as modifier): stable companion

stable

2
1. (of an elementary particle, atomic nucleus, etc.) not undergoing decay; not radioactive
2. (of a chemical compound) not readily partaking in a chemical change
3. (of electronic equipment) with no tendency to self-oscillation

stable

[′stā·bəl]
(physics)
Not subject to any change without the application of an external agency, such as radiation; said of a molecule, atom, nucleus, or elementary particle.

stable

A building, or portion thereof, for the housing and feeding of horses, cattle, and other domestic animals.