mollusc
/'mɔləsk/ Cách viết khác : (mollusk) /'mɔləsk/
Học thuậtThân thiện
Definition
Noun: 1. An invertebrate animal with a soft, unsegmented body, typically protected by a hard shell: A mollusc is a member of a large phylum (Mollusca) of animals that usually have a muscular foot for movement and a mantle that may secrete a shell. Examples include snails, clams, octopuses, and squids.
Usage
The word "mollusc" (also spelled "mollusk") is a scientific and general term used in biology and zoology to categorize a specific group of animals. It is a countable noun.
Examples
- General Use:
- The seashore is rich with various molluscs, such as mussels and periwinkles.
- A snail is a common garden mollusc.
- Scientific/Biological Context:
- The study of molluscs is called malacology.
- The giant squid is the largest known mollusc.
Advanced Usage
- "Mollusc" in a Broader Sense: The term can be used to refer to the entire phylum or to any individual member of it.
- The phylum Mollusca is one of the most diverse in the animal kingdom.
Variants and Related Words
- Mollusk: The alternative, chiefly American English spelling of "mollusc".
- Molluscan (adjective): Relating to or characteristic of molluscs.
- The molluscan shell was beautifully patterned.
- Malacology (noun): The branch of zoology that deals with molluscs.
Synonyms
- Shellfish (Note: This is a looser, culinary term that includes some crustaceans like shrimp, which are not molluscs. It is not a perfect synonym.)
- Bivalve (for molluscs with two shells, like clams)
- Gastropod (for molluscs like snails and slugs)
Different Meanings
The word "mollusc" has a single, specific zoological meaning and does not have common idiomatic or metaphorical uses. Its meaning is consistently tied to the biological definition.
Noun
- invertebrate having a soft unsegmented body usually enclosed in a shell