noun
- Plural of actinia; a genus of sea anemones, or sea anemones in general (used in scientific and zoological contexts).
Usage: scientific/technical; plural form; chiefly used in marine biology and zoology
Examples
- The actiniae in the tide pool displayed vibrant colors and delicate tentacles.
- Marine biologists studied the actiniae to understand their symbiotic relationships with clownfish.
- Several species of actiniae are commonly found in coral reef ecosystems.
- The actiniae retracted their tentacles when disturbed by the passing current.
- Researchers collected specimens of actiniae for laboratory analysis.