What does sealable mean?
Sealable means capable of being closed or sealed so that its contents remain protected. The term is especially common in descriptions of food, medicine, and consumer packaging, where a sealable container, lid, or pouch can prevent exposure to air, moisture, dirt, or microorganisms. It describes a container’s potential to form a secure closure rather than confirming that it is already closed; for that, a word such as "sealed" is appropriate. In technical and commercial writing, "sealable" may also be qualified by a particular method or feature, as in "heat-sealable" or "vacuum-sealable." The word is useful because it identifies closure properties without implying a particular sealing material or mechanism. Although common in everyday product descriptions, it is somewhat more technical than simply saying that something can be closed.
adjectiveCapable of being sealed or closed securely. In packaging and food preservation, it describes containers, lids, or materials designed to prevent air, moisture, or contamination from entering.
- Capable of being sealed or closed securely.
"The soup comes in a sealable container that keeps it fresh for several days."
"The manufacturer uses a sealable lid to keep the product protected during transport."
"After opening the jar, press the cover down firmly to ensure it remains sealable."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does sealable come from?
The adjective was formed in English by adding the suffix "-able" to "seal," indicating the ability to be sealed. The word "seal" entered Middle English from Anglo-French and ultimately derives from Latin "sigillum," meaning a seal or signet and, by extension, something that secures or authenticates. Related forms include "sealed," "sealing," and "sealant," all of which preserve the same basic sense of securing a closure.
Related word forms
How sealable is actually used
Common in packaging, food storage, refrigeration, and product-description contexts. It usually appears before a noun, and compounds such as "re-sealable" are normally hyphenated.
Easily confused with sealable
Sealable describes something that can be closed or sealed, whereas a sealant is a substance or material used to form a seal.