radiant heat

noun

: heat transmitted by radiation as contrasted with that transmitted by conduction or convection

Examples of radiant heat in a Sentence

Recent Examples on the Web

The scale takes into account the four climate factors — air temperature, radiant heat (or the strength of the sun), humidity and wind speed — that affect a player’s ability to disperse heat from their body. —James Hansen, New York Times, 24 Jan. 2026

Group container plants together up against your house, which provides some radiant heat that may provide a slightly warmer microclimate. —Arricca Elin Sansone, Southern Living, 23 Jan. 2026

Throughout the home, radiant heat warms stone floors and state-of-the-art systems ensure that the bones of this hundred-year-old mansion hum with modern convenience. —David Caraccio, Sacbee.com, 22 Jan. 2026

The radiant heat from the sun on a warm winter day will melt ice surprisingly quickly. —Megan Hughes, Better Homes & Gardens, 10 Jan. 2026

Word History

First Known Use

1621, in the meaning defined above

Rhymes for radiant heat

• bittersweet
• celestite
• incomplete
• indiscreet
• marguerite
• obsolete
• overeat
• overheat
• parakeet
• stillingfleet
• superheat
• amit