amphidisc

As nouns the difference between terms and amphidisc

is that terms is while amphidisc is (zoology) a small siliceous spicule having a denticulate wheel at each end, found in freshwater sponges.

As nouns the difference between sponge and amphidisc

is that sponge is (countable) any of various marine invertebrates, mostly of the phylum porifera , that have a porous skeleton often of silica while amphidisc is (zoology) a small siliceous spicule having a denticulate wheel at each end, found in freshwater sponges.

As a verb sponge

is (slang) to take advantage of the kindness of others.

As nouns the difference between freshwater and amphidisc

is that freshwater is a body of fresh water while amphidisc is (zoology) a small siliceous spicule having a denticulate wheel at each end, found in freshwater sponges.

As an adjective freshwater

is living in fresh water.

As nouns the difference between wheel and amphidisc

is that wheel is a circular device capable of rotating on its axis, facilitating movement or transportation or performing labour in machines while amphidisc is (zoology) a small siliceous spicule having a denticulate wheel at each end, found in freshwater sponges.

As a verb wheel

is (intransitive|or|transitive) to roll along as on wheels.

As an adjective denticulate

is finely dentate, as a leaf edge; bearing many small toothlike structures.

As a noun amphidisc is

a small siliceous spicule having a denticulate wheel at each end, found in freshwater sponges.

As nouns the difference between spicule and amphidisc

is that spicule is a sharp, needle-like piece while amphidisc is (zoology) a small siliceous spicule having a denticulate wheel at each end, found in freshwater sponges.

As an adjective siliceous

is (chemistry) of, relating to, consisting of, or resembling silica or silicates.

As a noun amphidisc is

(zoology) a small siliceous spicule having a denticulate wheel at each end, found in freshwater sponges.