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

In high-temperature molten environments, active cathode particles can dissolve into the electrolyte and migrate away from their intended sites. —Prabhat Ranjan Mishra, Interesting Engineering, 12 Jan. 2026

What kind of greens powders are best, and what exactly is an electrolyte powder? —Andrea Strong, Bon Appetit Magazine, 10 Jan. 2026

However, banana water lacks sodium—another key electrolyte. —Kathleen Ferraro, Verywell Health, 9 Jan. 2026

At the Harm Reduction Coalition of Santa Cruz County’s mobile syringe clinic, a single lamp shines a bright circle over folding tables stacked with boxes of soap, toothpaste, electrolytes, syringes, condoms and Narcan — a drug that can reverse opioid overdoses. —Albert Chern, Mercury News, 8 Jan. 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
• cristobalite
• crocidolite
• diatomite
• dithionite

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