nascent

1. (chemistry) Of the state of an element at the time it is being generated from some compound or transitioning from one state to another; Newly released from a compound (especially hydrogen and oxygen) by a chemical reaction or electrolysis and possessing heightened reactivity; Newly synthesized (especially protein or RNA) by translation or transcription.Examples: "There are no reasons for supposing that any of the residual atmospheric oxygen is immediately combined with fixed or nascent hydrogen, or hydrocarbonate, in the venous blood at 98°, by slow combustion, and consequently none for supposing that water is immediately formed in respiration."not-comparable

2. (heraldry) Naissant.Examples: "[…] charges of blazonry, bends sinister and bends dexter, lions couchant, lions nascent, and[…]"; "Marks of the makers : the initials of the maker and the arms of the town : a lion nascent with three flames."; "[...] in chief a demi lion nascent gules."not-comparable

3. (mathematics, obsolete) Describing a quantity of object that is starting to grow from zero or an infinitesimal beginning. Also the creation or identification of an infinitesimal delta.Examples: "Fluxions are very nearly as the Augments of the Fluents, generated in equal, but infinitely ſmall parts of Time ; and to ſpeak exactly, are in the Prime Ratio of the naſcent Augments : but they may be expounded by any Lines that are proportional to ’em."not-comparableobsolete