acanthology
noun
ac·an·thol·o·gy
\ˌaˌkanˈthäləjē, ˌakən-\
Definition of acanthology
-es
: the study of spines (as of sea urchins) especially as an adjunct of taxonomy
From the M-W Editors
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Origin and Etymology of acanthology
acanth- + -logy
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