electrolyte

noun

elec·​tro·​lyte i-ˈlek-trə-ˌlīt 

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

These might include cramping, nausea, bloating, diarrhea, or an irritated rectum, Hazan says, as well as dehydration or electrolyte imbalances, which can affect heart or kidney function. —Erica Sweeney, Time, 11 May 2026

Multiple baffles within the bladder help keep the liquid from sloshing around excessively, while a wide waterproof zipper across the top makes for easy filling, cleaning, and adding of electrolytes. —Ben Coxworth may 11, New Atlas, 11 May 2026

This protective barrier separates the electrolyte from the anode while still allowing lithium ions to move between them during charging and discharging. —Bojan Stojkovski, Interesting Engineering, 10 May 2026

Start with a base of cold water, add a splash of citrus or a few berries, and reach for an electrolyte packet on hot days or after exercise. —Lauren Jarvis-Gibson, Sacbee.com, 7 May 2026

Word History

First Known Use

1834, in the meaning defined at sense 1

Rhymes for electrolyte

• actinolite
• adipocyte
• amphibolite
• anorthosite
• anthophyllite
• aragonite
• carbonatite
• cassiterite
• chalcopyrite
• cristobalite
• crocidolite
• diatomite

Kids Definition

electrolyte

noun

elec·​tro·​lyte i-ˈlek-trə-ˌlīt 

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

elec·​tro·​lyte i-ˈlek-trə-ˌlīt 

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