As nouns the difference between terms and indigoid
is that terms is while indigoid is (organic chemistry) any compound having a structure related to indigotin.
As an adjective indigoid is
(organic chemistry) having a structure related to indigotin.
terms
English
Noun
(head)
Statistics
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indigoid
English
Adjective
(-)
(organic chemistry) Having a structure related to indigotin
Noun
(
en noun)
(organic chemistry) Any compound having a structure related to indigotin