1.
temperature difference
A literal difference in temperature between two places, times, or substances.
昼夜の温度差が大きい。
The day-night temperature difference is large.
温度差で窓が曇る。
The window fogs up from the temperature difference.
部屋の中と外の温度差に気をつけてください。
Please be careful of the temperature difference between inside and outside the room.
2.
gap in enthusiasm; difference in attitude
Figurative use describing how strongly different people feel about something — typically a noticeable mismatch in interest, concern, or commitment.
二人の間に温度差がある。
There is a gap in enthusiasm between the two of them.
社員と経営陣の温度差が問題だ。
The attitude gap between employees and management is a problem.
このプロジェクトに対するチーム内の温度差を埋める必要がある。
We need to close the enthusiasm gap within the team about this project.
Literally 'temperature' + 'difference'. The figurative sense (sense 2) is very common in business and social contexts to describe mismatched levels of concern or interest.
COMMON COLLOCATIONS:
- 温度差が大きい: the gap is large
- 温度差を感じる: to sense a gap
- 温度差を埋める: to close the gap
- 温度差がある: there is a gap
SIMILAR WORDS:
- 格差: disparity — usually about wealth, ability, or social status
- ギャップ: gap — broad loanword for any kind of gap, including generational