Nascent /(năs"sent; nā"sent)/

Nas·cent

Nascent

a.
  1. Commencing, or in process of development; beginning to exist or to grow; coming into being; as, a nascent germ.
    Nascent passions and anxieties.
    — Berkley.
  2. Evolving; being evolved or produced; as, nascent oxygen. (Chem.)

Phrases & Compounds
Nascent state
the fleeting or momentary state of an uncombined atom or radical just separated from one compound, and not yet united with another, -- a hypothetical condition implying peculiarly active chemical properties; as, hydrogen in the nascent state is a strong reducer.