单词	absorptivity
释义	absorptivity noun ab·​sorp·​tiv·​i·​ty əb-ˌsȯrp-ˈti-və-tē  -ˌzȯrp- plural absorptivities : the property of a body that determines the fraction of incident radiation absorbed by the body Example Sentences Recent Examples on the Web The researchers also noted that controlling the microscopic structure of the sail—such as by using alternating layers of material, each only nanometers (billionths of a meter) thick—could boost its reflectivity and reduce its absorptivity. Charles Q. Choi, Scientific American, 10 May 2018 Word History Etymology absorptive + -ity First Known Use 1872, in the meaning defined above Medical Definition absorptivity noun ab·​sorp·​tiv·​i·​ty əb-ˌsȯrp-ˈtiv-ət-ē  -ˌzȯrp-  plural absorptivities : the property of a body that determines the fraction of incident radiation absorbed by the body
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