in posse

Etymology
Borrowed from, from +.

Adjective

 * 1) in possibility, having a potential to exist, in potential but not in actuality, (contradistinguished by in esse)

Adverb

 * 1) in possibility, having a potential to exist, in potential but not in actuality, (contradistinguished by )

Usage notes

 * A child living is, but before conception is in posse.