fulvic acid
— Navneord
– Engelsk
~ a yellow to yellow-brown humic substance that is soluble in water under all pH conditions; "they measured the fluvial fulvic acid"
Fulvicin
— Navneord
– Engelsk
~ a kind of penicillin (a fungicidal antibiotic with the trade name Fulvicin) produced by molds of the genus Penicillium