1
: a nonmetallic electric conductor in which current is carried by the movement of ions
2
a
: a substance that when dissolved in a suitable solvent or when fused becomes an ionic conductor
b
: any of the ions (as of sodium or calcium) that in biological fluid regulate or affect most metabolic processes (such as the flow of nutrients into and waste products out of cells)

Examples of electrolyte in a Sentence

The drink will replenish your electrolytes.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Bringing your own electrolytes Hydration is always a problem when flying. Carin Ryan, Travel + Leisure, 25 Aug. 2026 Alcohol acts as a diuretic, making people urinate more often and creating fluid loss that leads to electrolyte imbalance. Hanna Wickes, Sacbee.com, 24 Aug. 2026 At Fleet Feet’s Columbus Circle store in New York, employees have noticed increased interest in moisture-wicking and cooling apparel, as well as high-electrolyte drink mixes, capsules and chewable tablets. Nadia Neophytou, Chicago Tribune, 23 Aug. 2026 The company notes that the facility will help establish a domestic source of advanced electrolyte materials at a time when battery manufacturers are seeking greater control over their supply chains. Bojan Stojkovski, Interesting Engineering, 22 Aug. 2026 See All Example Sentences for electrolyte

Word History

First Known Use

1834, in the meaning defined at sense 1

Time Traveler
The first known use of electrolyte was in 1834

Browse Nearby Words

Cite this Entry

“Electrolyte.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrolyte. Accessed 28 Aug. 2026.

Kids Definition

electrolyte

noun
1
: a conductor in which electric current is carried by the movement of ions that are not metallic
2
a
: a substance that when dissolved in a suitable solvent or when melted becomes an ionic conductor
b
: an ion (as of sodium) that regulates or affects metabolic processes of the body (as the movement of waste products out of a cell)

Medical Definition

electrolyte

noun
1
: a nonmetallic electric conductor in which current is carried by the movement of ions
2
a
: a substance (as an acid, base, or salt) that when dissolved in a suitable solvent (as water) or when fused becomes an ionic conductor
b
: any of the ions (as of sodium, potassium, calcium, or bicarbonate) that in a biological fluid regulate or affect most metabolic processes (as the flow of nutrients into and waste products out of cells)
used especially in biology and biochemistry

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