Extinction (disambiguation)

From Free net encyclopedia

Extinction has the following meanings:

• In biology, extinction is the disappearance of a species.
• In geology, an extinct volcano is generally considered (by geologists) to be "inactive"; and thus, unlikely to erupt again.
• In astronomy, extinction is the gradual reddening and dimming of light as it passes through gas and dust (such as the interstellar medium in the Milky Way or the atmosphere of the Earth).
• In the field of learning and memory, extinction is the process by which learned associations are actively forgotten. See classical conditioning.
• In hereditary peers extinction is one way a hereditary title can come to an end.
• in psychology, extinction refers to extinction of conditional reflexes. see Ivan Pavlov
• Extinction of family names was studied statistically by Francis Galton.
• Extinction (band) are a British band.
• The Arabic term for extinction as an aspect of Sufi mysticism is Fana
• "Extinction (Enterprise episode)", a third season episode of Star Trek: Enterprise

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