dicotyledon: meaning, definition, pronunciation and examples
Low/C2Specialist/Technical (Botany, Biology, Gardening, Education)
Quick answer
What does “dicotyledon” mean?
A flowering plant whose seeds have two embryonic leaves (cotyledons) and whose mature leaves typically have a network of veins.
Audio
Pronunciation
Definition
Meaning and Definition
A flowering plant whose seeds have two embryonic leaves (cotyledons) and whose mature leaves typically have a network of veins.
In botany, a major group of flowering plants (class Dicotyledoneae or Magnoliopsida) characterized by this seed structure, as opposed to monocotyledons. Often used informally for broad-leaved plants like roses, oaks, or sunflowers.
Dialectal Variation
British vs American Usage
Differences
No significant usage difference. 'Dicot' is the common informal abbreviation in both varieties.
Connotations
Technical/scientific term with no regional connotations.
Frequency
Equally low frequency in specialized contexts in both regions.
Grammar
How to Use “dicotyledon” in a Sentence
[Plant/Seed] is a dicotyledon.[Botanist] classified the specimen as a dicotyledon.Dicotyledons have [feature].Vocabulary
Collocations
Examples
Examples of “dicotyledon” in a Sentence
noun
British English
- The oak is a classic dicotyledon, easily identified by its broad leaves and taproot system.
- His A-Level biology project involved comparing the vascular bundles of a dicotyledon and a monocotyledon.
American English
- The sunflower is a dicotyledon, belonging to the aster family.
- The lab report required students to draw the cross-section of a dicotyledon stem.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Core term in botany and biology textbooks, courses, and research papers.
Everyday
Rare outside gardening clubs or advanced plant discussion.
Technical
Essential in horticulture, agriculture (e.g., crop classification), and botanical taxonomy.
Vocabulary
Synonyms of “dicotyledon”
Strong
Neutral
Weak
Vocabulary
Antonyms of “dicotyledon”
Watch out
Common Mistakes When Using “dicotyledon”
- Misspelling: 'dicotyledan', 'dicotiledon'.
- Mispronunciation: stressing the first syllable (/ˈdaɪkɒt.../) instead of the third (/...ɪˈliːdən/).
- Using 'dicot' informally in very formal writing.
FAQ
Frequently Asked Questions
Yes, 'dicot' is a standard and widely accepted informal abbreviation for 'dicotyledon'.
No, dicotyledons include both woody plants (like trees and shrubs) and herbaceous plants (like sunflowers and beans).
It remains a practical and deeply entrenched descriptive term for a large, recognizable group of plants sharing common morphological features, even if the group is evolutionarily paraphyletic.
Look at the leaves: most dicotyledons have broad leaves with a branching network of veins (reticulate venation), unlike the parallel veins typical of monocotyledons like grasses or lilies.
Dicotyledon is usually specialist/technical (botany, biology, gardening, education) in register.
Dicotyledon: in British English it is pronounced /ˌdʌɪkɒtɪˈliːd(ə)n/, and in American English it is pronounced /ˌdaɪˌkɑdəˈlidən/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Imagine a DI-COTY (die, cot) where a baby plant (LEDON) lies in a cot with TWO pillows (representing the two seed leaves).
Conceptual Metaphor
A foundational blueprint (the two seed leaves represent a basic architectural plan for the plant's early growth).
Practice
Quiz
Which feature is most characteristic of a dicotyledon?