Search the Dictionary

Proper to be added; positive; -- opposed to subtractive.

The positive or negative stimulus exerted by oxygen on aërobic and anaërobic bacteria. -- A`ër*o*tac"tic (#), a.

To assert positively; to tell with confidence; to aver; to maintain as true; -- opposed to deny. Jesus, . . . whom Paul affirmed to be alive. Acts xxv. 19.

That which is asserted; an assertion; a positive as, an affirmation, by the vender, of title to property sold, or of its quality.

Positive; dogmatic. [Obs.] J. Taylor. Lysicles was a little by the affirmative air of Crito. Berkeley.

val of a stimulus producing a primary sensation, and reproducing the primary sensation in positive, negative, or complementary form. The aftersensation may be continuous with the primary sensation or follow it after an interval.

f the insufficiency of the evidence furnished by physical and physical data, to warrant a positive conclusion (as taught by the school of Herbert Spencer); -- opposed alike dogmatic skepticism and to dogmatic theism.

The act of alleging or positively asserting.

To bring forward with positiveness; to declare; to affirm; to assert; as, to allege a fact.

A combination of alloxanic acid and a base or base or positive radical.

A sensitized paper for obtaining positives by artificial light. It is coated with gelatin containing silver bromide and chloride. [Eng.]

trating power emitted by radium and other radioactive substances, and shown to consist of positively charged particles (perhaps particles of helium) having enormous velocities but small masses. They are slightly deflected by a strong magnetic or electric field.

A salt formed by the combination of ambreic acid with a base or positive radical.

A compound of the radical amyl with oxygen and a positive atom or radical.

ral death. J. H. Newman. nalogous pole (Pyroelect.), that pole of a crystal which becomes positively electrified when heated.

The positive pole of a voltaic battery.

The condition of decreased irritability of a nerve in the region of the positive electrode or anode on the passage of a current of electricity through it. Foster.

The positive pole of an electric battery, or more strictly the electrode by which the current enters the electrolyte on its way to the other pole; -- opposed to cathode.

A compound of arsenic with a metal, or positive element or radical; -- formerly called arseniuret.

of ascertaining; a reducing to certainty; a finding out by investigation; discovery. The positive ascertainment of its limits. Burke.