cnida: meaning, definition, pronunciation and examples
Very Low (Specialist Terminology)Scientific / Zoological
Quick answer
What does “cnida” mean?
The stinging capsule of a coelenterate (e.
Audio
Pronunciation
Definition
Meaning and Definition
The stinging capsule of a coelenterate (e.g., jellyfish, sea anemone).
A microscopic, explosive cell found in cnidarians, used for prey capture and defense; a nematocyst.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage. Both British and American scientific communities use the term identically.
Connotations
Purely technical, without cultural or regional connotation.
Frequency
Extremely rare in both varieties outside specialized literature.
Grammar
How to Use “cnida” in a Sentence
The [organism] possesses numerous cnidae.A cnida is a [type of] cell.Vocabulary
Collocations
Examples
Examples of “cnida” in a Sentence
adjective
British English
- The cnidal thread is barbed.
- Cnidal morphology varies.
American English
- The cnidal apparatus was studied.
- Cnidal development is complex.
Usage
Meaning in Context
Business
Never used.
Academic
Used in zoology, marine biology, and evolutionary studies texts.
Everyday
Virtually unknown and unused.
Technical
Core term for describing the defining cellular feature of cnidarians.
Vocabulary
Synonyms of “cnida”
Vocabulary
Antonyms of “cnida”
Watch out
Common Mistakes When Using “cnida”
- Pronouncing the 'c' (e.g., /knaɪdə/).
- Using the term outside a biological context.
- Confusing with 'cnidarian' (the organism) instead of the cell.
FAQ
Frequently Asked Questions
The 'c' is silent. It is pronounced /ˈnaɪdə/ ('NY-duh').
The plural is 'cnidae', pronounced /ˈnaɪdiː/ ('NY-dee').
Yes, in scientific terminology, 'cnida' and 'nematocyst' are synonyms. 'Cnida' is the more general term, while 'nematocyst' refers specifically to the penetrating type of cnida.
Almost certainly not. It is a highly specialised biological term. In everyday contexts, you would say 'stinging cell' or refer to a 'jellyfish sting'.
The stinging capsule of a coelenterate (e.
Cnida is usually scientific / zoological in register.
Phrases
Idioms & Phrases
- “[None for this highly technical term]”
Learning
Memory Aids
Mnemonic
Think: 'Cnida' has a silent 'C' like in 'cnidarian.' It's the 'NIDA' (Needle In Defense Apparatus) of a jellyfish.
Conceptual Metaphor
[Not applicable for this concrete, microscopic structure]
Practice
Quiz
What is a cnida?