A hard external covering, as that of certain amoebas, dinoflagellates, and sea urchins, A series of questions, problems, or physical responses designed to determine knowledge, intelligence, or ability, A cupel, intransitive verb_ To subject to a test; try, To undergo a test, To achieve a score or rating on tests, transitive verb_ To put to the proof; to prove the truth, genuineness, or quality of by experiment, or by some principle or standard; to try, To administer a test{8} to (someone) for the purpose of ascertaining a person's knowledge or skill; especially, in academic settings, to determine how well a student has learned the subject matter of a course of instruction, (Chem.) To examine or try, as by the use of some reagent