Here's a breakdown of the potential meaning based on the word parts:
* Chrono-: Refers to time, often in the sense of chronology or a sequence of events.
* Thermal-: Relates to heat or temperature.
Possible interpretations:
* Time-dependent heat transfer: This could describe a system where heat transfer is influenced by the passage of time, perhaps with varying rates or patterns.
* Temperature history: The term could describe the chronological record of temperature changes in a particular system.
* Specific scientific field: It's possible "chronothermal" is a specific term used within a particular scientific discipline, such as geology or astrophysics.
To understand the true meaning, you'd need more context. If you encountered this word, please provide the source or context where you saw it.