bivium |
bivial |
As a noun bivium
is (zoology) one side of an echinoderm, including a pair of ambulacra, in distinction from the opposite side (trivium), which includes three ambulacra.
As an adjective bivial is
of or relating to the bivium.
ambulacra |
bivium |
As nouns the difference between ambulacra and bivium
is that
ambulacra is plural of lang=en while
bivium is one side of an echinoderm, including a pair of ambulacra, in distinction from the opposite side ({{term|trivium|lang=en}}), which includes three ambulacra.
pair |
bivium |
As nouns the difference between pair and bivium
is that
pair is two similar or identical things taken together; often followed by of while
bivium is one side of an echinoderm, including a pair of ambulacra, in distinction from the opposite side ({{term|trivium|lang=en}}), which includes three ambulacra.
As a verb pair
is to group into sets of two.
echinoderm |
bivium |
As nouns the difference between echinoderm and bivium
is that
echinoderm is any member of the Echinodermata, a group of radially symmetric, spiny-skinned marine animals. Examples of echinoderms include seastars, sea urchins, sea cucumbers, crinoids, and sand dollars while
bivium is one side of an echinoderm, including a pair of ambulacra, in distinction from the opposite side ({{term|trivium|lang=en}}), which includes three ambulacra.