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marked or accompanied by the evolution of heat; liberating heat or energy.


/exo·ther·mal/ (ek″so-ther´mal) exothermic.


, exothermic (ek″sō-thĕr′măl) (-thĕr′mik) [ exo- + thermo-]
Pert. to a chemical reaction that produces heat.
exothermally (mă-lē) exothermically (mik(ă-)lē)

exothermal, exothermic

marked or accompanied by the evolution of heat; liberating heat or energy.
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References in periodicals archive ?
The second exothermal effect during pyrolysis and combustion of cellulose became apparent at the temperature of 405-470[degrees]C (max -456.
8, shows a constant exothermal heat flow already after an onset time of 4 min until primary curing starts.
Origination as a result of the exothermal reaction of the internal heat source allowed increasing thermal activity of the particles being sprayed and strength of the coating bond with the base.
In addition to cold crystallization, we observed during the second heating scan an exothermal event just prior to PLLA melting at 152[degrees]C (Fig.
The exothermal reactions of iron and other alloy elements are complex and high alloy steels have a high content of alloy elements, which can lead to differences with regard to the cutting of common steels.
Ener1's approach for cold starting is to heat the fuel cell by a self- regulating exothermal chemical reaction between hydrogen and oxygen that takes place uniformly over the cathode catalyst.
The more extensive cure achieved, at equal UV dose, by operating under intense illumination was attributed to the heat evolved by the exothermal polymerization.
2 a huge thermal overshoot which corresponds to the exothermal manifestation of chemical bonding: the temperature reaches more than 240[degrees]C as a result of a thick resin sample and an insulating mold.
1 at the first and second exothermal peak temperatures are pmvided in Table 3.