adventitious
/ˌæd.vɛnˈtɪʃ.əs/
adjective
- Happening by chance or accident; not planned or expected.
- Their meeting was entirely adventitious, a happy coincidence.
- Adventitious sounds in the recording turned out to be birds outside.
- The discovery of penicillin was an adventitious event in a lab.
- In biology, arising from an unusual or unexpected place, such as roots growing from stems or leaves.
- Ivy produces adventitious roots that cling to walls.
- The plant spread through adventitious shoots from its roots.
- Adventitious buds can form on tree trunks after injury.
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