mollusca: meaning, definition, pronunciation and examples
C2Scientific, Formal
Quick answer
What does “mollusca” mean?
The scientific name for a major phylum of invertebrate animals, typically with soft bodies, often protected by a hard shell.
Audio
Pronunciation
Definition
Meaning and Definition
The scientific name for a major phylum of invertebrate animals, typically with soft bodies, often protected by a hard shell.
In common usage, the plural term for molluscs/mollusks, a group including snails, clams, octopuses, and squid.
Dialectal Variation
British vs American Usage
Differences
Spelling: UK 'mollusc' (singular), US 'mollusk'. The plural forms are 'molluscs' and 'mollusks', respectively. The scientific term 'Mollusca' is used identically.
Connotations
None; the term is purely scientific in both varieties.
Frequency
Equally low in everyday language, but more frequent in academic and scientific contexts in both regions.
Grammar
How to Use “mollusca” in a Sentence
Mollusca are...Mollusca include...Mollusca, such as...the mollusca of...Vocabulary
Collocations
Examples
Examples of “mollusca” in a Sentence
adjective
British English
- The molluscan fauna of the British coast is remarkably diverse.
American English
- Molluskan anatomy is a core topic in invertebrate zoology courses.
Usage
Meaning in Context
Business
Rarely used, except in specialized industries like aquaculture or seafood export, e.g., 'We source mollusca from sustainable farms.'
Academic
Common in biology, zoology, and environmental science texts, e.g., 'Mollusca represent one of the most diverse animal phyla.'
Everyday
Very rare; replaced by common names like 'shellfish', 'snails', or 'clams', e.g., 'We ate some molluscs at the seafood restaurant.'
Technical
Used precisely in taxonomy, marine biology, and paleontology, e.g., 'The fossil record of early Mollusca is extensive.'
Vocabulary
Synonyms of “mollusca”
Strong
Neutral
Weak
Vocabulary
Antonyms of “mollusca”
Watch out
Common Mistakes When Using “mollusca”
- Using 'mollusca' as a singular noun (e.g., 'a mollusca').
- Misspelling as 'molluska', 'molusca', or 'molluscia'.
- Confusing with 'molluscum' (a medical term for a skin condition).
FAQ
Frequently Asked Questions
It is plural. The singular is 'mollusc' (UK) or 'mollusk' (US). 'Mollusca' is the Latin-derived plural used for the entire phylum.
It's very uncommon. In everyday contexts, use common names like 'shellfish', 'snails', or 'clams' instead.
Mollusca includes snails, slugs, clams, oysters, squid, octopuses, and cuttlefish, among others.
American English often simplifies words from Latin; hence 'mollusk' versus the British 'mollusc', which is closer to the Latin 'molluscus'.
The scientific name for a major phylum of invertebrate animals, typically with soft bodies, often protected by a hard shell.
Mollusca is usually scientific, formal in register.
Mollusca: in British English it is pronounced /məˈlʌskə/, and in American English it is pronounced /məˈlʌskə/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: MOLLUSCA = MOLLUSK + A. The 'A' at the end signals it's the scientific group name, like 'Animalia'.
Conceptual Metaphor
Mollusca are sometimes metaphorically described as 'nature's pottery' due to their ornate shells, or 'soft calculators' for their spiral shells reflecting mathematical patterns.
Practice
Quiz
What is the correct singular form of 'Mollusca' in British English?