ailanthus: meaning, definition, pronunciation and examples
C2Formal, Scientific, Literary
Quick answer
What does “ailanthus” mean?
a fast-growing deciduous tree of the genus *Ailanthus*, native to Asia and Australasia, with compound leaves and clusters of small yellowish-green flowers, often considered a weed in urban areas.
Audio
Pronunciation
Definition
Meaning and Definition
a fast-growing deciduous tree of the genus *Ailanthus*, native to Asia and Australasia, with compound leaves and clusters of small yellowish-green flowers, often considered a weed in urban areas.
Any tree of the genus *Ailanthus*, especially the tree of heaven (*Ailanthus altissima*), which is noted for its rapid growth, ability to thrive in poor conditions, and pungent odor from its crushed leaves or male flowers. It is often used in contexts discussing invasive species, urban ecology, or botanical resilience.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences. The tree is referred to by the same scientific/common name in both varieties.
Connotations
Similar connotations as an invasive, hardy urban tree in both regions where it is naturalized.
Frequency
Equally low-frequency in both dialects, confined to botanical, horticultural, or literary contexts.
Grammar
How to Use “ailanthus” in a Sentence
[Adj] ailanthusailanthus [Verb: sprouted/grew/was removed]the ailanthus [Prep Phrase: in the courtyard/of heaven]Vocabulary
Collocations
Examples
Examples of “ailanthus” in a Sentence
verb
British English
- The land was quickly ailanthed, with suckers appearing through the pavement.
American English
- The vacant lot got completely ailanthed over in just two seasons.
adverb
British English
- [No standard adverbial form.]
American English
- [No standard adverbial form.]
adjective
British English
- The ailanthus growth along the railway was rampant.
Usage
Meaning in Context
Business
Rare. Potentially in landscaping, pest control, or environmental consultancy reports discussing invasive species management.
Academic
Used in botany, ecology, forestry, and environmental science papers discussing invasive species biology, urban ecosystems, or phytoremediation.
Everyday
Very rare. Might be used by gardeners, arborists, or in regions where the tree is a noticeable problem.
Technical
Standard in horticulture, arboriculture, and taxonomy. Used with precise species identifiers and in discussions of allelopathy or clonal growth.
Vocabulary
Synonyms of “ailanthus”
Strong
Neutral
Weak
Vocabulary
Antonyms of “ailanthus”
Watch out
Common Mistakes When Using “ailanthus”
- Misspelling: 'ailanthius', 'ailanthas'. Mispronunciation: /əˈlænθəs/ (schwa start). Confusing it with the similar-looking 'acanthus' plant.
FAQ
Frequently Asked Questions
Yes, 'tree of heaven' is the most common name for *Ailanthus altissima*, the most widespread species of ailanthus.
It is highly invasive, grows rapidly, produces many seeds, emits a foul odor from its flowers/leaves, and its root system can damage structures and crowd out native plants.
In very specialized or creative contexts (e.g., ecological writing), it can be used informally to mean 'to be taken over by ailanthus trees.' This is not standard dictionary usage.
The genus *Ailanthus* is native to regions in Asia and Australasia. *Ailanthus altissima* specifically is native to northeast and central China and Taiwan.
a fast-growing deciduous tree of the genus *Ailanthus*, native to Asia and Australasia, with compound leaves and clusters of small yellowish-green flowers, often considered a weed in urban areas.
Ailanthus is usually formal, scientific, literary in register.
Ailanthus: in British English it is pronounced /eɪˈlænθəs/, and in American English it is pronounced /eɪˈlænθəs/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[No common idioms specific to 'ailanthus'.]”
Learning
Memory Aids
Mnemonic
Think: 'AILing ANTHus' – imagine an ANTHill that is AILing (sick) because a fast-growing tree is invading it.
Conceptual Metaphor
RESILIENCE/UNWANTED PERSISTENCE IS AN AILANTHUS (e.g., 'Her influence was like an ailanthus, springing up everywhere despite efforts to remove it').
Practice
Quiz
In Betty Smith's novel, what does the ailanthus tree growing in Brooklyn primarily symbolize?