Hypertext Webster Gateway: "negative"

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Reversed \Re*versed"\, a.
1. Turned side for side, or end for end; changed to the
contrary; specifically (Bot. & Zo["o]l.), sinistrorse or
sinistral; as, a reversed, or sinistral, spiral or shell.

2. (Law) Annulled and the contrary substituted; as, a
reversed judgment or decree.

{Reversed positive} or {negative} (Photog.), a picture
corresponding with the original in light and shade, but
reversed as to right and left. --Abney.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Negative \Neg"a*tive\, a. [F. n['e]gatif, L. negativus, fr.
negare to deny. See {Negation}.]
1. Denying; implying, containing, or asserting denial,
negation or refusal; returning the answer no to an inquiry
or request; refusing assent; as, a negative answer; a
negative opinion; -- opposed to {affirmative}.

If thou wilt confess, Or else be impudently
negative. --Shak.

Denying me any power of a negative voice. --Eikon

Something between an affirmative bow and a negative
shake. --Dickens.

2. Not positive; without affirmative statement or
demonstration; indirect; consisting in the absence of
something; privative; as, a negative argument; a negative
morality; negative criticism.

There in another way of denying Christ, . . . which
is negative, when we do not acknowledge and confess
him. --South.

3. (Logic) Asserting absence of connection between a subject
and a predicate; as, a negative proposition.

4. (Photog.) Of or pertaining to a picture upon glass or
other material, in which the lights and shades of the
original, and the relations of right and left, are

5. (Chem.) Metalloidal; nonmetallic; -- contracted with
positive or basic; as, the nitro group is negative.

Note: This word, derived from electro-negative, is now
commonly used in a more general sense, when acidiferous
is the intended signification.

{Negative crystal}.
(a) A cavity in a mineral mass, having the form of a
(b) A crystal which has the power of negative double
refraction. See {refraction}.

{negative electricity} (Elec.), the kind of electricity which
is developed upon resin or ebonite when rubbed, or which
appears at that pole of a voltaic battery which is
connected with the plate most attacked by the exciting
liquid; -- formerly called {resinous electricity}. Opposed
to {positive electricity}. Formerly, according to
Franklin's theory of a single electric fluid, negative
electricity was supposed to be electricity in a degree
below saturation, or the natural amount for a given body.
see {Electricity}.

{Negative eyepiece}. (Opt.) see under {Eyepiece}.

{Negative quantity} (Alg.), a quantity preceded by the
negative sign, or which stands in the relation indicated
by this sign to some other quantity. See {Negative sign}

{Negative rotation}, right-handed rotation. See
{Right-handed}, 3.

{Negative sign}, the sign -, or {minus} (opposed in
signification to +, or {plus}), indicating that the
quantity to which it is prefixed is to be subtracted from
the preceding quantity, or is to be reckoned from zero or
cipher in the opposite direction to that of quanties
having the sign plus either expressed or understood; thus,
in a - b, b is to be substracted from a, or regarded as
opposite to it in value; and -10[deg] on a thermometer
means 10[deg] below the zero of the scale.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Negative \Neg"a*tive\, n. [Cf. F. n['e]gative.]
1. A proposition by which something is denied or forbidden; a
conception or term formed by prefixing the negative
particle to one which is positive; an opposite or
contradictory term or conception.

This is a known rule in divinity, that there is no
command that runs in negatives but couches under it
a positive duty. --South.

2. A word used in denial or refusal; as, not, no.

Note: In Old England two or more negatives were often joined
together for the sake of emphasis, whereas now such
expressions are considered ungrammatical, being chiefly
heard in iliterate speech. A double negative is now
sometimes used as nearly or quite equivalent to an

No wine ne drank she, neither white nor red.

These eyes that never did nor never shall So much
as frown on you. --Shak.

3. The refusal or withholding of assents; veto.

If a kind without his kingdom be, in a civil sense,
nothing, then . . . his negative is as good as
nothing. --Milton.

4. That side of a question which denies or refuses, or which
is taken by an opposing or denying party; the relation or
position of denial or opposition; as, the question was
decided in the negative.

5. (Photog.) A picture upon glass or other material, in which
the light portions of the original are represented in some
opaque material (usually reduced silver), and the dark
portions by the uncovered and transparent or
semitransparent ground of the picture.

Note: A negative is chiefly used for producing photographs by
means of the sun's light passing through it and acting
upon sensitized paper, thus producing on the paper a
positive picture.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Negative \Neg"a*tive\, v. t. [imp. & p. p. {Negatived}; p. pr. &
vb. n. {Negativing}.]
1. To prove unreal or intrue; to disprove.

The omission or infrequency of such recitals does
not negative the existence of miracles. --Paley.

2. To reject by vote; to refuse to enact or sanction; as, the
Senate negatived the bill.

3. To neutralize the force of; to counteract.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Demonstration \Dem`on*stra"tion\, n. [L. demonstratio: cf. F.
1. The act of demonstrating; an exhibition; proof;
especially, proof beyond the possibility of doubt;
indubitable evidence, to the senses or reason.

Those intervening ideas which serve to show the
agreement of any two others are called ``proofs;''
and where agreement or disagreement is by this means
plainly and clearly perceived, it is called
demonstration. --Locke.

2. An expression, as of the feelings, by outward signs; a
manifestation; a show.

Did your letters pierce the queen to any
demonstration of grief? --Shak.

Loyal demonstrations toward the prince. --Prescott.

3. (Anat.) The exhibition and explanation of a dissection or
other anatomical preparation.

4. (Mil.) a decisive exhibition of force, or a movement
indicating an attack.

5. (Logic) The act of proving by the syllogistic process, or
the proof itself.

6. (Math.) A course of reasoning showing that a certain
result is a necessary consequence of assumed premises; --
these premises being definitions, axioms, and previously
established propositions.

{Direct}, or {Positive}, {demonstration} (Logic & Math.), one
in which the correct conclusion is the immediate sequence
of reasoning from axiomatic or established premises; --
opposed to

{Indirect}, or {Negative}, {demonstration} (called also
{reductio ad absurdum}), in which the correct conclusion
is an inference from the demonstration that any other
hypothesis must be incorrect.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Eyepiece \Eye"piece`\, n. (Opt.)
The lens, or combination of lenses, at the eye end of a
telescope or other optical instrument, through which the
image formed by the mirror or object glass is viewed.

{Collimating eyepiece}. See under {Collimate}.

{Negative}, or {Huyghenian}, {eyepiece}, an eyepiece
consisting of two plano-convex lenses with their curved
surfaces turned toward the object glass, and separated
from each other by about half the sum of their focal
distances, the image viewed by the eye being formed
between the two lenses. it was devised by Huyghens, who
applied it to the telescope. Campani applied it to the
microscope, whence it is sometimes called {Campani's

{Positive eyepiece}, an eyepiece consisting of two
plano-convex lenses placed with their curved surfaces
toward each other, and separated by a distance somewhat
less than the focal distance of the one nearest eye, the
image of the object viewed being beyond both lenses; --
called also, from the name of the inventor, {Ramsden's

{terrestrial}, or {Erecting eyepiece}, an eyepiece used in
telescopes for viewing terrestrial objects, consisting of
three, or usually four, lenses, so arranged as to present
the image of the object viewed in an erect position.

From WordNet (r) 1.7 (wn)

adj 1: characterized by or displaying negation or denial or
opposition or resistance; having no positive features;
"a negative outlook on life"; "a colorless negative
personality"; "a negative evaluation"; "a negative
reaction to an advertising campaign" [ant: {neutral},
2: reckoned in a direction opposite to that regarded as
3: having a negative electric charge; "electrons are negative"
[syn: {electronegative}] [ant: {neutral}, {positive}]
4: expressing or consisting of a negation or refusal or denial
[ant: {affirmative}]
5: having the quality of something harmful or unpleasant; "ran
a negative campaign"; "delinquents retarded by their
negative outlook on life"
6: (medicine) not indicating the presence of microorganisms or
disease or a specific condition; "the HIV test was
negative" [syn: {disconfirming}] [ant: {positive}]
7: (mathematics) less than zero; "a negative number"
8: designed or tending to discredit, especially without
positive or helpful suggestions; "negative criticism"
[syn: {damaging}]
9: involving disadvantage or harm; "minus (or negative)
factors" [syn: {minus}]
n 1: a reply of denial; "he answered in the negative" [ant: {affirmative}]
2: a piece of photographic film showing an image with black and
white tones reversed
v : vote against; refuse to endorse; refuse to assent [syn: {veto},

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