Glossary of Medical Terms

Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine


1. That which is done or doing; the exercice of strength, or the effect, of which strength exerted is the reason; a performance; a deed. "That excellent portion of a good man's life, His few, nameless, unremembered acts Of kindness and of love." (Wordsworth) Hence, in specific uses: The result of popular deliberation; the decision or determination of a legislative body, council, court of justice, etc.; a decree, edit, law, judgment, resolve, award; as, an act of Parliament, or of Congress. A formal solemn writing, expressing that something has been done. A performance of part of a play; one of the principal branches of a play or dramatic work in which a determined definite part of the action is completed. A thesis maintained in popular, in some English universities, by a candidate for a degree, or to show the proficiency of a student. 2. A state of reality or real subsistence as opposed to a possibility or possible subsistence. "The seeds of plants are not at first in act, but in possibility, what they afterward grow to be." (Hooker) 3. Process of doing; action. In act, in the very doing; on the point of (doing). "In act to shoot." "This woman was taken . . . In the very act." (John viii. 4) Act of attainder. An inevitable accident; such extraordinary interruption of the normal rate of events as is not to be looked for in advance, and against which usual prudence could not guard. Act of grace, an expression often used to identify an act declaring pardon or amnesty to numerous offenders, as at the beginning of a new reign. Act of indemnity, a statute passed for the protection of those who have committed some illegal act subjecting them to penalties. Act in pais, a thing done out of court (anciently, in the country), and not a matter of record. Synonym: See Action. Origin: L. Actus, fr. Agere to drive, do: cf. F. Acte. See Agent. 1. To exert strength; to manufacture an effect; as, the stomach acts upon food. 2. To perform actions; to fulfill functions; to put forth energy; to move, as opposed to remaining at rest; to carry into effect a determination of the will. "He hangs between, in doubt to act or rest." (Pope) 3. To behave or conduct, as in morals, personal duties, or popular offices; to bear or deport one's self; as, we know not why he has acted so. 4. To perform on the stage; to introduced a nature. "To show the world how Garrick did not act." (Cowper) To act as or for, to do the work of; to serve as. To act on, to regulate one's conduct according to. To act up to, to equal in action; to fulfill in practice; as, he has acted up to his engagement or his advantages. Source: Websters Vocabulary
periurethritis   periuterine   periuvular   perivaginitis   perivascular   perivascular cuffs   perivascular fibrous capsule   perivasculitis   (3)
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