The property of contraction of matter on cooling is put to several practical uses.

A. improvement

B. growth

C. expansion

D. diminution

Answer: Option C

Solution(By Examveda Team)

Contraction : the process of becoming smaller.
Improvement : an example of improving or being improved.
Growth : the process of increasing in size.
Expansion : the action of becoming larger or more extensive.
Diminution : a reduction in the size, extent, or importance of something.

Antonym of Contraction is Expansion