Sure! Let's break down the word "heatless" in a simple way.
Heatless is an adjective that describes something that does not produce heat. For example, if something gives off light but does not feel warm, we can say it is heatless.
You can use "heatless" to describe things like certain types of lights or organisms that give off light without generating heat.
In more scientific contexts, "heatless" can refer to processes or reactions that occur without producing heat. For instance, certain chemical reactions can be described as heatless if they do not release thermal energy.
While "heatless" primarily refers to the absence of heat, it could also be used metaphorically to describe something that lacks energy or intensity, though this is less common.
There are no specific idioms or phrasal verbs directly related to "heatless," but you might encounter phrases like "cool as a cucumber," which means calm and not heated in emotion, though it doesn’t relate directly to heatless.
To summarize, "heatless" means not producing heat and is often used to describe lights or organisms that emit light without warmth.