air vesicle: meaning, definition, pronunciation and examples
C2 - Technical/BiologyScientific, technical, academic biology/botany
Quick answer
What does “air vesicle” mean?
A small sac or cavity filled with air, especially in plant tissues or certain biological structures.
Audio
Pronunciation
Definition
Meaning and Definition
A small sac or cavity filled with air, especially in plant tissues or certain biological structures.
A microscopic, gas-filled space within a biological organism that aids in buoyancy, gas exchange, or structural support.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Both use the term in the same technical contexts.
Connotations
Neutral, purely descriptive scientific term.
Frequency
Extremely low frequency in general language; used almost exclusively in specialized academic or scientific texts.
Grammar
How to Use “air vesicle” in a Sentence
The [plant/organism] possesses air vesicles for [purpose].Air vesicles within the [tissue] provide buoyancy.Vocabulary
Collocations
Examples
Examples of “air vesicle” in a Sentence
verb
British English
- The tissue was observed to vesiculate, forming distinct air vesicles.
American English
- The algae vesiculate to form air vesicles for flotation.
adverb
British English
- The bladders are arranged vesicularly along the stipe.
American English
- The gas is distributed vesicularly throughout the thallus.
adjective
British English
- The vesicular structure was crucial for the seaweed's buoyancy.
American English
- They studied the vesicular tissue under the microscope.
Usage
Meaning in Context
Business
Not used.
Academic
Used in botany, marine biology, and plant physiology papers and textbooks.
Everyday
Virtually never used.
Technical
Used in scientific descriptions of algal/kelp anatomy or certain planktonic organisms.
Vocabulary
Synonyms of “air vesicle”
Strong
Neutral
Weak
Vocabulary
Antonyms of “air vesicle”
Watch out
Common Mistakes When Using “air vesicle”
- Misspelling as 'air vessel'. Confusing it with the more common 'air sac' found in birds and insects.
FAQ
Frequently Asked Questions
No. 'Air vesicle' typically refers to much smaller, often microscopic, gas-filled cavities in plants or simple organisms. 'Air sac' is a larger anatomical term, commonly used for structures in bird or insect respiratory systems.
Yes, many species of brown seaweed (kelp) have air vesicles (also called pneumatocysts) that keep their photosynthetic blades near the water's surface.
No. It is a highly specialised scientific term. You will only need it if you are studying specific areas of botany or marine biology.
The primary function is buoyancy, allowing aquatic plants or organisms to float or maintain a position in the water column to access light or nutrients.
A small sac or cavity filled with air, especially in plant tissues or certain biological structures.
Air vesicle is usually scientific, technical, academic biology/botany in register.
Air vesicle: in British English it is pronounced /ˈeə ˌvɛsɪk(ə)l/, and in American English it is pronounced /ˈɛr ˌvɛsɪkəl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None. This is a technical term not used idiomatically.”
Learning
Memory Aids
Mnemonic
Think of a 'vehicle' for air - a tiny sac that carries/contains air.
Conceptual Metaphor
A NATURAL BALLOON; A BIOLOGICAL FLOATATION DEVICE.
Practice
Quiz
In which context are you LEAST likely to encounter the term 'air vesicle'?