IPA: /ˈsiːləbl/
KK: /ˈsiːləbəl/
Able to be closed tightly to prevent air, liquid, or other substances from entering or escaping.
The package is made of a sealable material to keep the contents fresh.
Sealable → It is formed from "seal" (from Old French *seel*, meaning to close or fasten) and "-able" (meaning capable of). The word "sealable" means capable of being closed or fastened securely.
Think of something that can be 'closed' or 'fastened' — 'seal' means to close, and '-able' indicates it can be done. This helps you remember that 'sealable' refers to something that can be securely closed.