ulmin

As nouns the difference between terms and ulmin

is that terms is while ulmin is (organic compound) a brown amorphous substance found in decaying vegetation.

As an adjective ulmic

is (chemistry) pertaining to ulmin; designating an acid obtained from ulmin.

As a noun ulmin is

(organic compound) a brown amorphous substance found in decaying vegetation.

As nouns the difference between humin and ulmin

is that humin is the part of the organic matter in soil that does not dissolve in dilute alkali while ulmin is a brown amorphous substance found in decaying vegetation.

As nouns the difference between vegetation and ulmin

is that vegetation is vegetation while ulmin is (organic compound) a brown amorphous substance found in decaying vegetation.

As nouns the difference between decay and ulmin

is that decay is the process or result of being gradually decomposed while ulmin is (organic compound) a brown amorphous substance found in decaying vegetation.

As a verb decay

is to deteriorate, to get worse, to lose strength or health, to decline in quality.

As nouns the difference between substance and ulmin

is that substance is physical matter; material while ulmin is (organic compound) a brown amorphous substance found in decaying vegetation.

As an adjective amorphous

is lacking a definite form or clear shape.

As a noun ulmin is

(organic compound) a brown amorphous substance found in decaying vegetation.

As a proper noun brown

is .

As a noun ulmin is

(organic compound) a brown amorphous substance found in decaying vegetation.

Ulmine is an alternative form of ulmin.

As a noun ulmin is

(organic compound) a brown amorphous substance found in decaying vegetation.