fulvic

From Latin fulvus (“tawny, reddish-yellow, fulvous”).

fulvic (not comparable)

1. Of or pertaining to fulvic acid or its derivatives.

fulvic (plural fulvics)

1. A derivative of fulvic acid.
   • 1983, Environmental Research Laboratories Publication Abstracts, page 49:

     We confirm here that isolated natural marine fulvics and marine fulvics synthesized in the laboratory affect the bioavailability of trace metals to marine phytoplankton.

   • 2020, Roger S. Wotton, The Biology of Particles in Aquatic Systems, Second Edition:

     Freshwater chemists learned that rather than manipulate large volumes of water through a complex procedure in order to extract a few milligrams of humics or fulvics, a simple adsorption column of certain resins could collect […]

• fluvic