The calorimeter in the lab can accurately measure the heat released during chemical reactions.

calorimeter 是由词根 calor-（来自拉丁语，意为"热量"）和 meter（来自希腊语，意为"测量仪器"）组成的复合词。字面意思是"测量热量的仪器"，即"热量计"或"量热器"，用于测量化学反应或物理变化过程中释放或吸收的热量。