From monaxon + -al. <span class="searchmatch">monaxonal</span> (not comparable) Having one axis. 1967, James Herdman Wilmoth, Biology of Invertebrata, page 58: In this group the skeleton...
From mon- + axon. monaxon (plural monaxons) A <span class="searchmatch">monaxonal</span> spicule of a sponge. 1905, Zoological Society of London, Proceedings of the General Meetings...