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Tonicity vs Topicity - What's the difference?

tonicity | topicity |

As nouns the difference between tonicity and topicity

is that tonicity is (medicine) the normal presence of tone or tension in a muscle or organ; tonus while topicity is (chemistry) the stereochemical relationship of substituents to a molecule and to each other.

tonicity

English

Noun

(wikipedia tonicity) (tonicities)
  • (medicine) The normal presence of tone or tension in a muscle or organ; tonus
  • (sciences) The ability of a solution to exert an osmotic pressure upon a membrane

    • Related terms

    *hypertonic *hypotonic *isotonic

    topicity

    English

    Noun

    (wikipedia topicity) (topicities)
  • (chemistry) The stereochemical relationship of substituents to a molecule and to each other