Incapable of being divided; atomic. / (arithmetic) Incapable of being divided by a specific integer without leaving a remainder.

That which cannot be divided or split. / (geometry) An infinitely small quantity which is assumed to admit of no further division.

The state of being indivisible; indivisibility.

plural of indivisible

(uncountable) The state of being indivisible.　The state incapable of being divided. / (countable) An indivisible factor or object.

In an indivisible manner.

plural of indivisibility

The absence of division; an undivided state.

Indivisible.

(mathematics, obsolete) An old kind of calculus in which lines were considered as made up of an infinite number of points; surfaces, as made up of an infinite number of lines; and volumes, as made up of an infinite number of surfaces.