Posterior Meaning: Definition, Examples, and Translations
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posterior
[pษหstษชษrษชษ ]
Definitions
anatomy
Situated at or toward the hind part of the body; caudal. In humans, the buttocks are located on the posterior side of the body.
Synonyms
Examples of usage
- The posterior part of the brain is responsible for processing visual information.
- The posterior muscles are important for maintaining proper posture.
statistics
Of or relating to the likelihood of an event occurring given some data. In Bayesian statistics, the posterior probability is updated based on prior probabilities and new data.
Synonyms
Examples of usage
- The posterior distribution is used to estimate the uncertainty in the parameter of interest.
- The posterior mean is a common summary statistic used in Bayesian analysis.
Translations
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Origin of 'posterior'
The word 'posterior' comes from the Latin word 'posterior', meaning 'later' or 'behind'. It has been used in English since the 15th century to refer to the back side or hind part of something. In anatomy, 'posterior' is commonly used to describe the rear portion of the body or body parts. In statistics, 'posterior' is used in Bayesian analysis to refer to the updated probability of an event occurring given new data and prior probabilities.
See also: posterity.