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.
페인트를 부드럽게 바르기 위해 약간의 희석제를 섞었다.