amphioxus: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “amphioxus” mean?
A small, translucent, fish-like marine animal, also known as lancelet, belonging to the subphylum Cephalochordata.
Audio
Pronunciation
Definition
Meaning and Definition
A small, translucent, fish-like marine animal, also known as lancelet, belonging to the subphylum Cephalochordata.
A primitive chordate used as a model organism in evolutionary and developmental biology due to its simple body plan and close relation to vertebrates.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage; both regions use the term in identical scientific contexts.
Connotations
Purely technical with no regional connotations.
Frequency
Extremely rare in both dialects, confined to specialist literature.
Grammar
How to Use “amphioxus” in a Sentence
The amphioxus [verb: burrows, feeds, evolves]Vocabulary
Collocations
Examples
Examples of “amphioxus” in a Sentence
adjective
British English
- amphioxus-like anatomy
American English
- amphioxus-like features
Usage
Meaning in Context
Business
Not used.
Academic
Used in evolutionary biology, zoology, and developmental studies.
Everyday
Virtually never used.
Technical
The primary context; refers to a model organism for studying chordate evolution.
Vocabulary
Synonyms of “amphioxus”
Vocabulary
Antonyms of “amphioxus”
Watch out
Common Mistakes When Using “amphioxus”
- Misspelling as 'amphoxius' or 'amphiocus'. Using it as a common noun outside scientific text.
FAQ
Frequently Asked Questions
No, it is an invertebrate chordate. It is fish-like in appearance but lacks a true backbone, complex fins, and a distinct head.
It retains many primitive chordate characteristics, making it a vital model for understanding the evolutionary transition from invertebrates to vertebrates.
'Lancelet' is the common name for animals in the subphylum Cephalochordata. 'Amphioxus' (from the Greek for 'pointed at both ends') is a former genus name now often used as a synonym for lancelet, particularly for the well-studied genus Branchiostoma.
They are found buried in sandy substrates in shallow temperate and tropical seas around the world.
A small, translucent, fish-like marine animal, also known as lancelet, belonging to the subphylum Cephalochordata.
Amphioxus is usually technical/scientific in register.
Amphioxus: in British English it is pronounced /ˌæmfiˈɒksəs/, and in American English it is pronounced /ˌæmfiˈɑːksəs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Think: 'AMPHI' (both) + 'OXUS' (sharp) – an animal with a pointed shape at both ends.
Conceptual Metaphor
A living fossil; a window into evolutionary past.
Practice
Quiz
What is an amphioxus?