융해가 · 융해를
melting, fusion (solid to liquid)
Example
얼음의 융해는 0도에서 일어납니다.
The melting of ice happens at zero degrees.
Word parts
융 melt+해 loosen
Literally 'melt and loosen'.
Good to know
Don't confuse it with 용해 (dissolving in a liquid); 융해 is a solid melting from heat.
Related words