Word:
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Humboldt
Humboldt current
Humbug
Humbugger
Humbuggery
humdinger
Humdrum
Hume
Humect
Humectant
Humectation
Humective
Humeral
humeral veil
Humerus
Humic
-- humic acid --
humic shale
humic substance
Humicubation
Humid
humidification
humidifier
humidify
Humidity
Humidness
humification
humified
Humifuse
Humiliant
Humiliate
humiliated
humiliating
humic acid
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Noun
1.
humic acid
-
a
dark
brown
humic
substance
that
is
soluble
in
water
only
at
pH
values
greater
than
2
; "
the
half-life
of
humic
acid
is
measured
in
centuries
"
humic
substance
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