Definition of ascertain

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Ascertain (v. t.) To find out or learn for a certainty, by trial, examination, or experiment; to get to know; as, to ascertain the weight of a commodity, or the purity of a metal..

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Definable :: Definable (a.) Capable of being defined, limited, or explained; determinable; describable by definition; ascertainable; as, definable limits; definable distinctions or regulations; definable words..
Acidimeter :: Acidimeter (n.) An instrument for ascertaining the strength of acids.
Define :: Define (v. t.) To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly; as, the defining power of an optical instrument..
Definition :: Definition (n.) Act of ascertaining and explaining the signification; a description of a thing by its properties; an explanation of the meaning of a word or term; as, the definition of circle; the definition of wit; an exact definition; a loose definition..
Sounding :: Sounding (n.) measurement by sounding; also, the depth so ascertained..
Ascertainment :: Ascertainment (n.) The act of ascertaining; a reducing to certainty; a finding out by investigation; discovery.
Zea :: Zea (n.) A genus of large grasses of which the Indian corn (Zea Mays) is the only species known. Its origin is not yet ascertained. See Maize.
Evaporometer :: Evaporometer (n.) An instrument for ascertaining the quantity of a fluid evaporated in a given time; an atmometer.
Ascertainer :: Ascertainer (n.) One who ascertains.
Gauge :: Gauge (n.) Any instrument or apparatus for measuring the state of a phenomenon, or for ascertaining its numerical elements at any moment; -- usually applied to some particular instrument; as, a rain gauge; a steam gauge..
Ascertaining :: Ascertaining (p. pr. & vb. n.) of Ascertai.
Lactoscope :: Lactoscope (n.) An instrument for estimating the amount of cream contained in milk by ascertaining its relative opacity.
Demarcation :: Demarcation (n.) The act of marking, or of ascertaining and setting a limit; separation; distinction..
Science :: Science (n.) Knowledge; knowledge of principles and causes; ascertained truth of facts.
Evidence :: Evidence (n.) That which is legally submitted to competent tribunal, as a means of ascertaining the truth of any alleged matter of fact under investigation before it; means of making proof; -- the latter, strictly speaking, not being synonymous with evidence, but rather the effect of it..
Ledgment :: Ledgment (n.) The development of the surface of a body on a plane, so that the dimensions of the different sides may be easily ascertained..
Sound :: Sound (v. i.) To ascertain the depth of water with a sounding line or other device.
Visitation :: Visitation (n.) The act of a naval commander who visits, or enters on board, a vessel belonging to another nation, for the purpose of ascertaining her character and object, but without claiming or exercising a right of searching the vessel. It is, however, usually coupled with the right of search (see under Search), visitation being used for the purpose of search..
Transcendentalism :: Transcendentalism (n.) The transcending, or going beyond, empiricism, and ascertaining a priori the fundamental principles of human knowledge..
Siren :: Siren (n.) An instrument for producing musical tones and for ascertaining the number of sound waves or vibrations per second which produce a note of a given pitch. The sounds are produced by a perforated rotating disk or disks. A form with two disks operated by steam or highly compressed air is used sounding an alarm to vessels in fog.
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