Found 1 items, similar to Proof impression.
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Definition: Proof impression
, n. [F. impression, L. impressio.]
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. That which is impressed; stamp; mark; indentation;
sensible result of an influence exerted from without.
The stamp and clear impression of good sense.
To shelter us from impressions of weather, we must
spin, we must weave, we must build. --Barrow.
3. That which impresses, or exercises an effect, action, or
agency; appearance; phenomenon. [Obs.]
Portentous blaze of comets and impressions in the
A fiery impression falling from out of Heaven.
4. Influence or effect on the senses or the intellect hence,
interest, concern. --Reid.
His words impression left. --Milton.
Such terrible impression made the dream. --Shak.
I have a father's dear impression,
And wish, before I fall into my grave,
That I might see her married. --Ford.
5. An indistinct notion, remembrance, or belief.
6. Impressiveness; emphasis of delivery.
Which must be read with an impression. --Milton.
7. (Print.) 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; as, a copy from the fifth
Ten impressions which his books have had. --Dryden.
8. In painting, the first coat of color, as the priming in
house painting and the like. [R.]
9. (Engraving) A print on paper from a wood block, metal
plate, or the like.
, one of the early impressions taken from
an engraving, before the plate or block is worn.
1. Used in proving or testing; as, a proof load, or proof
2. Firm or successful in resisting; as, proof against harm;
I . . . have found thee
Proof against all temptation. --Milton.
This was a good, stout proof article of faith.
3. Being of a certain standard as to strength; -- said of
(Firearms), a charge of powder and ball,
greater than the service charge, fired in an arm, as a gun
or cannon, to test its strength.
. See under Impression
(Engin.), the greatest load than can be applied
to a piece, as a beam, column, etc., without straining the
piece beyond the elastic limit.
. See Proof
, n., 5.
(Chem.), a strong distilled liquor, or mixture
of alcohol and water, containing not less than a standard
amount of alcohol. In the United States ``proof spirit is
defined by law to be that mixture of alcohol and water
which contains one half of its volume of alcohol, the
alcohol when at a temperature of 60[deg] Fahrenheit being
of specific gravity 0.7939 referred to water at its
maximum density as unity. Proof spirit has at 60[deg]
Fahrenheit a specific gravity of 0.93353, 100 parts by
volume of the same consisting of 50 parts of absolute
alcohol and 53.71 parts of water,'' the apparent excess of
water being due to contraction of the liquids on mixture.
In England proof spirit is defined by Act 58, George III.,
to be such as shall at a temperature of 51[deg] Fahrenheit
weigh exactly the 12/13 part of an equal measure of
distilled water. This contains 49.3 per cent by weight, or
57.09 by volume, of alcohol. Stronger spirits, as those of
about 60, 70, and 80 per cent of alcohol, are sometimes
called second, third, and fourth proof spirits
, a straight-edge used by millers to test the
flatness of a stone.
(Sugar Manuf.), a rod in the side of a vacuum
pan, for testing the consistency of the sirup.
, a passage of Scripture used to prove a