Emerging; just coming into existence.

(chemistry) monatomic hydrogen that exists transiently after the reduction of a hydrogen ion; generated from zinc and hydrochloric acid; it is a strong reducing agent

(sports) Acronym of National Association for Stock Car Auto Racing, a U.S. auto racing organization.

(law) The rule stating that an unborn child, if subsequently born alive, is considered as already in existence whenever it is to its own advantage.

(rare) Birth. / Coming into being; inception, beginning.

plural of nascence

A state of incipiency; a quality of nascence.

plural of nascency

A protein as it is being formed by a ribosome before it folds into its active shape.

plural of nascent protein