English Lexicon

Osmolality

/ˌɒz.məˈlæl.ɪ.ti/
nounCEFR C1 (Advanced)Top #15000 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The measure of the concentration of solute particles in a solution, expressed as osmoles of solute per kilogram of solvent.

    "The osmolality of the blood can indicate hydration status and kidney function."
  2. 2

    A property of a solution that affects its physical and chemical behavior, particularly in biological systems.

    "Changes in osmolality can lead to cellular dehydration or swelling."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'osmolality' is derived from the Greek word 'osmo', meaning 'push' or 'thrust', combined with the suffix '-ality', which denotes a state or condition. It emerged in the early 20th century as a scientific term in the field of chemistry and biology to describe the concentration of solute particles in a solution.

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