A curve or line on a graph showing the relationship between time and temperature in a physical or biological system.
Combining 'chron' (time), 'iso-' (equal or same), and 'therm' (heat/temperature). This technical term appears in scientific literature dealing with thermal processes and time relationships.
When scientists track temperature changes over time—whether in a cooling body for forensic investigation or in climate data—they're essentially creating chronisotherms, invisible patterns that tell stories about what happened when.
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