thinner
🇺🇸
/ˈθɪnər/
🇬🇧
/ˈθɪnə(r)/
A liquid that makes paint or varnish less thick, easier to spread.
To apply the paint smoothly, I added a bit of thinner to it.
为了使油漆涂抹得更顺滑,我往里面加了一点稀释剂。