Changes

* In [[chemistry]], concentration refers to a measurement of how much substance (or [[solute]]) exists within a certain [[volume]] (or [[solvent]]).<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>  A solution is said to be saturated when the [[solvent]] is unable to dissolve more solute.

* In [[chemistry]], concentration refers to a measurement of how much substance (or [[solute]]) exists within a certain [[volume]] (or [[solvent]]).<ref>Wile, Dr. Jay L. ''Exploring Creation With Physical Science''. Apologia Educational Ministries, Inc. 1999, 2000</ref>  A solution is said to be saturated when the [[solvent]] is unable to dissolve more solute.

* In [[psychology]], concentration as a cognitive process means [[focus]]ing selectively on a single aspect of one's environment or thoughts while ignoring other things.

* In [[psychology]], [[Concentration (Psychology)|concentration]] as a cognitive process means [[focus]]ing selectively on a single aspect of one's environment or thoughts while ignoring other things.

* In [[Buddhism|Buddhist]] [[meditation]], concentration means focusing the [[mind]] selectively on a single aspect of one's thoughts or images while [[renunciation|letting go]] of all other things until the mind become "single-pointed" ("[[samadhi]]") through [[relaxation|relaxed]] focused [[awareness]] ("[[shamatha]]"). According to Buddhism, concentration is related to the "[[fire]] element" of the mind and nervous system.

* In [[Buddhism|Buddhist]] [[meditation]], concentration means focusing the [[mind]] selectively on a single aspect of one's thoughts or images while [[renunciation|letting go]] of all other things until the mind become "single-pointed" ("[[samadhi]]") through [[relaxation|relaxed]] focused [[awareness]] ("[[shamatha]]"). According to Buddhism, concentration is related to the "[[fire]] element" of the mind and nervous system.