Atom
Part of speech: noun
Definition: The smallest mediaeval unit of time, equal to fifteen ninety-fourths of a second. A theoretical particle of matter, imagined to be incapable of further division; the smallest possible unit of substance. The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons. A non-zero member of a Boolean algebra that is not a union of any other elements. The smallest, indivisible constituent part or unit of something.
Example sentence: We have grasped the mystery of the atom and rejected the sermon on the mount.
Spec
Part of speech: noun
Definition: short form of specificationshort form of speculationshort form of specializationshort form of speciala special place (for hiding or viewing)
Part of speech: verb
Definition: To specify, especially in a formal specification document.