(chemistry) a process in which one substance permeates another; a fluid permeates or is dissolved by a liquid or solid
(physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium; "the absorption of photons by atoms or molecules"
an official recognition of merit; "although he didn't win the prize he did get special mention"
a remark that calls attention to something or someone; "she made frequent mention of her promotion"; "there was no mention of it"; "the speaker made several references to his wife"
commend; "he was cited for his outstanding achievements"
make reference to; "His name was mentioned in connection with the invention"