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Use "retardative" in a sentence
"_The transfer of energy into any animate material system is attended by effects conducive to the transfer, and retardative of dissipation."
"_The transfer of energy into any inanimate material system is attended by effects retardative to the transfer and conducive to dissipation."
"Not to produce a retardative reaction, but an accelerative response: for, in the enlarging of the leaf by growth, the plant opens for itself new channels of supply."