abactinal
/ (æbˈæktɪnəl) /
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adjective
zoology (of organisms showing radial symmetry) situated away from or opposite to the mouth; aboral
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Derived forms of abactinal
abactinally, adverbWords nearby abactinal
abaciscus, abacist, aback, Abaco, abacterial, abactinal, abaculus, abacus, Abadan, Abaddon, Abadie's sign of exophthalmic goiter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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How to use abactinal in a sentence
The plane of the actinal surface at first meets that of the abactinal at an acute or nearly right angle.
The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland BalfourThe abactinal disc now also grows out into five short processes, separated by five shallow notches.
The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland BalfourThese two series also differ from each other in the relations of the abactinal nerve-system.