caryopsis: meaning, definition, pronunciation and examples
C1/C2Technical / Scientific / Academic
Quick answer
What does “caryopsis” mean?
A small, dry, one-seeded fruit typical of grasses like wheat, maize, and rice, where the seed coat is fused to the ovary wall.
Audio
Pronunciation
Definition
Meaning and Definition
A small, dry, one-seeded fruit typical of grasses like wheat, maize, and rice, where the seed coat is fused to the ovary wall.
A type of simple, indehiscent fruit that is a defining characteristic of the Poaceae (grass) family; often called a 'grain' in agricultural contexts.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling and pronunciation are consistent. The term is equally specialised in both varieties.
Connotations
Purely technical and scientific in both varieties.
Frequency
Extremely low frequency in general discourse, used almost exclusively in academic and technical fields in both regions.
Grammar
How to Use “caryopsis” in a Sentence
The caryopsis of [plant name, e.g., barley] is...A caryopsis consists of...[Plant name, e.g., Oats] produce a caryopsis.Vocabulary
Collocations
Examples
Examples of “caryopsis” in a Sentence
adjective
British English
- caryopsial development
- the caryopsial stage
American English
- caryopsial structure
- caryopsial characteristics
Usage
Meaning in Context
Business
Virtually never used.
Academic
Core term in botany, plant biology, and agronomy papers and textbooks.
Everyday
Almost never used; 'grain', 'seed', or 'kernel' are used instead.
Technical
Essential precise term in agricultural science, botany, and food production research.
Watch out
Common Mistakes When Using “caryopsis”
- Mispronouncing it as 'carry-opsis'. The stress is on the third syllable: 'cary-OP-sis'.
- Using it in non-technical contexts where 'grain' or 'seed' is sufficient.
- Confusing it with other dry fruit types like achenes (e.g., sunflower 'seed').
FAQ
Frequently Asked Questions
No. A caryopsis is a fruit that contains a single seed. The key difference is that in a caryopsis, the fruit wall (pericarp) is fused to the seed coat, making them inseparable.
Yes. A grain of rice, a kernel of corn (maize), a wheat berry, and an oat grain are all common foods that are, botanically, caryopses.
It allows botanists and agricultural scientists to precisely classify and discuss the fruit structure of the world's most important cereal crops, which is crucial for research in genetics, crop improvement, and food science.
Both are simple, dry, one-seeded fruits. The critical distinction is that in an achene (e.g., sunflower 'seed'), the seed coat is NOT fused to the fruit wall and can be separated. In a caryopsis, they are fused together.
A small, dry, one-seeded fruit typical of grasses like wheat, maize, and rice, where the seed coat is fused to the ovary wall.
Caryopsis is usually technical / scientific / academic in register.
Caryopsis: in British English it is pronounced /ˌkarɪˈɒpsɪs/, and in American English it is pronounced /ˌkeriˈɑːpsɪs/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'CARY-OPSIS' – 'Carry the seed in an enclosed capsule'. The 'cary-' (from Greek 'karyon' for nut/kernel) is fused to the '-opsis' (view/appearance), giving the image of a single fused nut-like structure.
Conceptual Metaphor
A SEALED PACKAGE (the fruit wall is inseparably sealed around the seed).
Practice
Quiz
In which plant family is the caryopsis the characteristic fruit type?