абактинальный

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Russian

Etymology

Ultimately a New Latin construction from ab- (without) + ἀκτίς (aktís, ray).

Pronunciation

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Adjective

абактина́льный (abaktinálʹnyj)

  1. (zoology) abactinal (on the side opposite to the mouth in animals with radial symmetry)
    Synonym: аборальный (aboralʹnyj)
    Antonyms: актинальный (aktinalʹnyj), ора́льный (orálʹnyj)
    Ана́льное отве́рстие у морски́х еже́й располо́жено наверху́, на абактина́льной стороне́.
    Análʹnoje otvérstije u morskíx ježéj raspolóženo naverxú, na abaktinálʹnoj storoné.
    A sea urchin's anal aperture is located on the top, on its abactinal side.

Declension