Correct

熔化

/ rónghuà / 
Strokes

Definition

to melt (of ice, metals etc)

Example

As a Verb

fuse; melt

1
Là
蜡
kāishǐ
开始
rónghuà
熔化
  
。

The wax began to run.

2
Bōli
玻璃
zài
在
gāowēn
高温
xià
下
rónghuà
熔化
  
。

Glass melts at a great heat/in high heat.

3
Rónghuà
熔化
jīnshǔ
金属

melt down metals