vảy ốc
Definition
- Noun:
- Operculum: The hard, often rounded or oval, plate-like structure that some snails and other gastropods use to seal the opening of their shell when they retract inside for protection.
Usage Examples
- Noun:
- Con ốc khép chặt vảy ốc lại để tự vệ. (The snail closes its operculum tightly for self-defense.)
- Vảy ốc của loài ốc bươu vàng rất cứng. (The operculum of the golden apple snail is very hard.)
- Sau khi luộc ốc, bạn có thể thấy vảy ốc tách rời. (After boiling the snails, you can see the operculum separated.)
Advanced Usage
- In biology and malacology (the study of mollusks), the operculum is a key anatomical feature used to identify and classify different species of gastropods.
Variants and Related Words
- Nắp ốc (n): A common synonym for "vảy ốc," literally meaning "snail lid" or "snail cover."
- Hãy lấy nắp ốc ra trước khi hút thịt ốc. (Remove the operculum before sucking the snail meat out.)
Synonyms
- Operculum: The formal biological term.
- Shell door: A descriptive term.
- Trapdoor: A common descriptive name for this structure.
Related Idioms
- : (Tight as an operculum) An idiom describing something that is sealed very tightly, secretive, or leak-proof.
- Kế hoạch được giữ kín như vảy ốc. (The plan was kept tight as a sealed operculum [watertight].)