copepod, copepod crustacean - minute marine or freshwater crustaceans usually having six pairs of limbs on the thorax; some abundant in plankton and others parasitic on fish mussel shrimp, ostracod, seed shrimp - tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell
time and a half(noun) a rate of pay that is 1.5 times the regular rate; for overtime work.
In marketing, half-life is a formula for estimating the total responses to be expected from a direct marketing campaign. The half-life of a catalog is the day when half of the consumer responses to the mailing have been received.