coelacanth: meaning, definition, pronunciation and examples
C2Technical / Scientific
Quick answer
What does “coelacanth” mean?
A large, rare, deep-sea fish, known as a 'living fossil' because its kind was thought to have been extinct for millions of years until a living specimen was discovered in 1938.
Audio
Pronunciation
Definition
Meaning and Definition
A large, rare, deep-sea fish, known as a 'living fossil' because its kind was thought to have been extinct for millions of years until a living specimen was discovered in 1938.
Something that is perceived as archaic, ancient, or a surviving relic from a distant past; often used metaphorically for ideas, technologies, or institutions that persist long after they were thought to be obsolete.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage; spelling is identical. The primary variation is in pronunciation.
Connotations
Identical connotations of antiquity, rarity, and scientific wonder in both varieties.
Frequency
Extremely low frequency in general language, but standard within relevant scientific and educational contexts in both regions.
Grammar
How to Use “coelacanth” in a Sentence
The [ADJ] coelacanth was [VERB-ed].Scientists [VERB] the coelacanth to [VERB]...A coelacanth is a [NOUN].Vocabulary
Collocations
Examples
Examples of “coelacanth” in a Sentence
verb
British English
- [No established verb use]
American English
- [No established verb use]
adverb
British English
- [No established adverb use]
American English
- [No established adverb use]
adjective
British English
- [Rarely used adjectivally] The coelacanth genome provides unique data.
- His management style was positively coelacanth.
American English
- [Rarely used adjectivally] The coelacanth discovery shocked the world.
- That coelacanth policy needs updating.
Usage
Meaning in Context
Business
Almost never used. A forced metaphor might be 'That software is the coelacanth of our IT department – ancient but somehow still running.'
Academic
Common in biology, paleontology, and evolutionary science texts and lectures. 'The coelacanth provides unique insights into the early evolution of lobe-finned fishes.'
Everyday
Very rare. Might be encountered in documentaries, museums, or crossword puzzles.
Technical
Standard term in ichthyology and paleontology for species of the genus Latimeria.
Vocabulary
Synonyms of “coelacanth”
Vocabulary
Antonyms of “coelacanth”
Watch out
Common Mistakes When Using “coelacanth”
- Misspelling: 'coleacanth', 'coelocanth'.
- Mispronunciation: stressing the second syllable (e.g., /siːˈlækənθ/).
- Using it as a general adjective without the core 'rediscovered relic' connotation.
FAQ
Frequently Asked Questions
No, it is not a dinosaur. It is a fish whose ancestors were contemporary with early dinosaurs. It is a 'living fossil' because its modern form is remarkably similar to its ancient fossil relatives.
There are two known living species: Latimeria chalumnae, found near the Comoros Islands and the east coast of Africa, and Latimeria menadoensis, discovered near Indonesia.
It provides a direct link to an ancient lineage of lobe-finned fish, which are the closest fish relatives of all tetrapods (four-limbed vertebrates, including humans). Studying it helps scientists understand the evolutionary transition from sea to land.
It is not eaten. Its flesh is oily and unpleasant, and more importantly, it is an endangered species protected by international conservation laws. Catching or harming one is strictly illegal.
A large, rare, deep-sea fish, known as a 'living fossil' because its kind was thought to have been extinct for millions of years until a living specimen was discovered in 1938.
Coelacanth is usually technical / scientific in register.
Coelacanth: in British English it is pronounced /ˈsiːləkænθ/, and in American English it is pronounced /ˈsiːləˌkænθ/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[Not a common source of idioms. The word itself is used metaphorically.]”
Learning
Memory Aids
Mnemonic
**SEE**-la-canth: Imagine you **SEE** a **LA**rge **CAN** of tuna, but it's actually a rare prehistoric fish – a coelacanth.
Conceptual Metaphor
A COELACANTH IS A SURVIVOR FROM THE PAST / AN OBSOLETE ENTITY THAT PERSISTS.
Practice
Quiz
What is a coelacanth most famously known as?