abactinal

/ (æbˈæktɪnəl) /

adjective

zoology (of organisms showing radial symmetry) situated away from or opposite to the mouth; aboral

Words nearby abactinal

abaciscus, abacist, aback, abaco, abacterial, abactinal, abaculus, abacus, abadan, abaddon, abadie's sign of exophthalmic goiter

Derived forms of abactinal

abactinally, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for abactinal

These two series also differ from each other in the relations of the abactinal nerve-system.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 10|Various
The 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 Balfour
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 Balfour