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

To worsen matters, the tent’s only electrolyte analyzer was backlogged and every vital-signs monitor was in use. — Vibhu Krishna, STAT, 2 Oct. 2026

As Shapiro explains, lactose-free dairy milk technically has the same electrolyte and protein profile as regular milk; the only difference is that the lactose is just broken down into simpler sugars. — Veronica Cristino, Vogue, 29 Sep. 2026

Even small amounts of water entering this compartment can interfere with the lithium chemistry and form an unwanted solid-electrolyte interphase that eventually hurts the reaction. — Rupendra Brahambhatt, Interesting Engineering, 26 Sep. 2026

If Secord can’t take in enough calories or water, she may be placed in a medical habitat providing supplemental fluids, electrolytes and medication. — Finnegan Belleau, Chicago Tribune, 23 Sep. 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