dictionary help| impression | dental dictionary, medical dictionary |
1. The act of impressing, or the state of being impressed; the communication of a stamp, mold, style, or character, by external force or by influence.
2. <dentistry> The first step in making a model of your teeth. You bite into a container filled with algenate, and the algenate hardens to produce 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 must spin, we must weave, we must build." (Barrow)
4. The pressure of the type on the paper, or the result of such pressure, as regards its appearance; as, a heavy impression; a clear, or a poor, impression; also, a single copy as the result of printing, or the whole edition printed at a given time. "Ten impressions which his books have had." (Dryden)
Origin: F. Impression, L. Impressio.
(27 Oct 1998)
impressio duodenalis, impressio gastrica, impressio ligamenti costoclavicularis < Prev | Next > impression area, impression compound
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