tessera

As a verb tessera

is .

As a noun null is

zero, nil; the cardinal number before einn.

As a noun tesserae

is .

As a verb tessera is

.

As a noun taxonomy

is the science or the technique used to make a classification.

As a verb tessera is

.

As nouns the difference between tessera and tessella

is that tessera is a small square piece of stone, wood, ivory or glass used for making a mosaic while tessella is a small tessera.

As a verb tessera

is .

As an adjective tesseral is

of, or pertaining to, tesserae or tesseral can be (mathematics) describing number systems, algebras, and algorithms over labeled hierarchical subdivisions of space.