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.
n., pl. 1. the time required for one half the atoms of a given amount of a radioactive substance to decay. 2. the time required for the activity of a substance taken into the body to lose one half its initial effectiveness. half-life.