Neptunium series

What is Neptunium series?

Neptunium series definition and meaning on Dictionary terms:
adjective
without nervousness, as in emergencies; calm; collected.
lacking strength or vigor; feeble; weak.
lacking firmness or courage; spiritless; cowardly.
Anatomy, Botany. having no nerves.

RELATED WORDScollected, composed, imperturbable, intrepid, patient, self-possessed, tranquil, unemotional, controlled, afraid, cowardly, debilitated, enervated, fearful, feeble, nervous, petrified, spineless, timid, weak

 

reference: https://www.dictionary.com/browse/neptunium-series

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