| 释义 |
Definition of actinian in English: actiniannoun akˈtɪnɪənakˈtinēən Zoology A sea anemone. Example sentencesExamples - However, actinians, like all coelenterates, capture and digest animal prey with their nematocysts.
- It has been seen that varying temperatures have a dramatic effect on the growth rates of some actinians.
- The larger, more conspicuous include other species of cold-water coral, actinians and sponges.
- Even on reefs, most species of host actinians are inconspicuous, unlike their partner fish.
- Cold-water coral mound dominated by Lophelia pertusa and colonised by orange actinians and a white anthipathrian.
Origin Mid 18th century: from the modern Latin genus name Actinia (from Greek aktis, aktin- 'ray') + -an. Definition of actinian in US English: actiniannounakˈtinēən Zoology A sea anemone. Example sentencesExamples - However, actinians, like all coelenterates, capture and digest animal prey with their nematocysts.
- It has been seen that varying temperatures have a dramatic effect on the growth rates of some actinians.
- Even on reefs, most species of host actinians are inconspicuous, unlike their partner fish.
- Cold-water coral mound dominated by Lophelia pertusa and colonised by orange actinians and a white anthipathrian.
- The larger, more conspicuous include other species of cold-water coral, actinians and sponges.
Origin Mid 18th century: from the modern Latin genus name Actinia (from Greek aktis, aktin- ‘ray’) + -an. |