Dictionary

exothermically en · ADV

Etymology

Etymology tree English exothermic Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al Middle English -ly Middle English -ally English -ally English exothermically From exothermic + -ally.

Meanings

1. In an exothermic manner
   • Aldrichimica Acta Volume 30 No 4 (pdf) from Sigma-Aldrich The fused cyclobutenomaleimide is much more reactive than Smith’s diene; it reacts with cyclopentadiene exothermically at room temperature to yield the extended isomer as the major cycloaddition product.
   • Methyl methacrylate is a clear, colorless liquid that is highly volatile and releases energy exothermically when it reacts. 2026 May 24, Geoff Brumfiel, “California chemical tank has cracked, causing state of emergency, thousands to evacuate”, in National Public Radio, Washington, D.C.: National Public Radio:

Forms