a. Biol. [f. L. *accrēment-um addition (f. accrēsc-ĕre, see ACCRESCE; cf. excrēment-um f. excrēsc-ĕre) + -īci-us + -AL; see -ITIAL.] Pertaining to accrementition.

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1879.  Syd. Soc. Lex.

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