noun
temperature difference; difference in temperature
Literal physical difference in temperature between two objects, places, or times.
室内と室外の温度差が大きい。
There is a big temperature difference between inside and outside.
この素材は温度差に強い。
This material is resistant to temperature differences.
noun
gap in enthusiasm; difference in attitude; temperature gap
Metaphorical use for a gap in passion, interest, commitment, or emotional warmth between people or groups.
彼と私の間には仕事に対する温度差がある。
There is a gap in enthusiasm for work between him and me.
上司と部下の温度差が問題になった。
The difference in attitude between the boss and the subordinates became a problem.
温度 means temperature itself; 温度差 focuses on the difference between two temperatures or metaphorical warmth.
Compound of 温度 (temperature) and 差 (difference). The metaphorical sense extends the physical temperature gap to emotional or attitudinal gaps.