monaxonal
Adjective
Having one axis.
Usage- not-comparable
- Examples
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In this group the skeleton is composed of monaxonal and tri- and tetractinal spicules of calcium carbonate.
More examples (1)
With a reticulate, fibrous skeleton of spongin spined by unique monaxonal spicules pointed at one end, blunt at other and bearing whorls of small spines along their length.
However, since in reality the two remaining rays are in the same plane, diactines can also be considered monaxonal.