Separate in place; not conjunct or united; with from.
Different from one another (with the preferable adposition being "from").
Capable of being perceived very clearly.
Noticeably different from others; distinctive.
Incapable of being divided; atomic.
Incapable of being divided by a specific integer without leaving a remainder.
An infinitely small quantity which is assumed to admit of no further division.
That which cannot be divided or split.