As nouns the difference between terms and involucel
is that terms is while involucel is (botany) an involucre that forms at the base of a flower cluster within a compound inflorescence.
terms
English
Noun
(head)
Statistics
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involucel
English
Noun
(
en noun)
(botany) An involucre that forms at the base of a flower cluster within a compound inflorescence.