fulvicadj.

Brit.

/ˈfʌlvɪk/,

/ˈfʊlvɪk/, U.S.

/ˈfʊlvɪk/,

/ˈfəlvɪk/

Origin: A borrowing from German, combined with an English element. Etymons: German Fulvosäure , -ic suffix.

Etymology: < fulv- (in German Fulvosäure (S. Odén 1919, in Kolloidchemische Beihefte 11 105); < classical Latin fulvus fulvous adj. + German -o- -o- connective + Säure acid) + -ic suffix; so called on account of its colour.

Chemistry.

fulvic acid n. a mixture of solid organic acids, usually brownish-yellow, that can be extracted from soil and is soluble in weak acid, alcohol, or water; any of the acids present in such a mixture, which are typically polyelectrolytes containing phenolic and carboxylic groups.Cf. humic acid at humic adj. (precipitated by acids).

ΚΠ

1920 Chem. Abstr. 14 3738 True solns. [sc. solutions] of fulvic acids after some time give a deposit of humic and hymatomelan acids.

1936 S. A. Waksman Humus 138 Other compounds have thus been isolated from..the ‘crenic’ or ‘fulvic acid’ fractions of soil humus.

1993 Sci. News 30 Oct. 285/2 A chemical called fulvic acid caused false positive results in tests.

2011 Amer. Antiq. 76 718/1 This step should remove any extraneous organic materials from the burial environment, such as humic and fulvic acids.

This entry has been updated (OED Third Edition, December 2016; most recently modified version published online March 2022).

单词	fulvic
释义	fulvicadj. Brit. /ˈfʌlvɪk/, /ˈfʊlvɪk/, U.S. /ˈfʊlvɪk/, /ˈfəlvɪk/ Origin: A borrowing from German, combined with an English element. Etymons: German Fulvosäure , -ic suffix. Etymology: < fulv- (in German Fulvosäure (S. Odén 1919, in Kolloidchemische Beihefte 11 105); < classical Latin fulvus fulvous adj. + German -o- -o- connective + Säure acid) + -ic suffix; so called on account of its colour. Chemistry. fulvic acid n. a mixture of solid organic acids, usually brownish-yellow, that can be extracted from soil and is soluble in weak acid, alcohol, or water; any of the acids present in such a mixture, which are typically polyelectrolytes containing phenolic and carboxylic groups.Cf. humic acid at humic adj. (precipitated by acids). ΚΠ 1920 Chem. Abstr. 14 3738 True solns. [sc. solutions] of fulvic acids after some time give a deposit of humic and hymatomelan acids. 1936 S. A. Waksman Humus 138 Other compounds have thus been isolated from..the ‘crenic’ or ‘fulvic acid’ fractions of soil humus. 1993 Sci. News 30 Oct. 285/2 A chemical called fulvic acid caused false positive results in tests. 2011 Amer. Antiq. 76 718/1 This step should remove any extraneous organic materials from the burial environment, such as humic and fulvic acids. This entry has been updated (OED Third Edition, December 2016; most recently modified version published online March 2022). < adj.1920
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