Glossary of Medical Terms

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


1. The act of impressing, or the state of being impressed; the communication of a stamp, mold, style, or nature, by outside force or by influence. 2. The first step in making a model of your teeth. You bite into a container filled with algenate, and the algenate hardens to manufacture a mold of your teeth. 3. That which is impressed; stamp; mark; indentation; sensible result of an influence exerted from without. "The stamp and clear impression of good sense." (Cowper) "To shelter us from impressions of weather, we should spin, we should weave, we should build." (Barrow) 4. The pressure of the type on the paper, or the result of such pressure, as regards its appearance; as, a hard impression; a clear, or a poor, impression; also, a single copy as the result of printing, or the intact edition printed at a given time. "Ten impressions which his books have had." (Dryden) Origin: F. Impression, L. Impressio.
open lung biopsy   openm   open pneumothorax   open pollination   open reading frame   open reading frames   open reduction of fractures   open skull fracture   (2)
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