Definition of observation

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Observation (n.) Specifically, the act of measuring, with suitable instruments, some magnitude, as the time of an occultation, with a clock; the right ascension of a star, with a transit instrument and clock; the sun's altitude, or the distance of the moon from a star, with a sextant; the temperature, with a thermometer, etc..

Lern More About Observation

Prolegomenon :: Prolegomenon (n.) A preliminary remark or observation; an introductory discourse prefixed to a book or treatise.
Malobservation :: Malobservation (n.) Erroneous observation.
Barometrically :: Barometrically (adv.) By means of a barometer, or according to barometric observations..
Residual :: Residual (n.) The difference of the results obtained by observation, and by computation from a formula..
Conscious :: Conscious (a.) Possessing knowledge, whether by internal, conscious experience or by external observation; cognizant; aware; sensible..
Reduction :: Reduction (v. t.) The preparation of the facts and measurements of observations in order to deduce a general result.
Presentment :: Presentment (n.) The notice taken by a grand jury of any offence from their own knowledge or observation, without any bill of indictment laid before them, as, the presentment of a nuisance, a libel, or the like; also, an inquisition of office and indictment by a grand jury; an official accusation presented to a tribunal by the grand jury in an indictment, or the act of offering an indictment; also, the indictment itself..
Methodist :: Methodist (n.) One of an ancient school of physicians who rejected observation and founded their practice on reasoning and theory.
Hypsometer :: Hypsometer (n.) An instrument for measuring heights by observation of barometric pressure; esp., one for determining heights by ascertaining the boiling point of water. It consists of a vessel for water, with a lamp for heating it, and an inclosed thermometer for showing the temperature of ebullition..
Watch :: Watch (v. i.) The act of watching; forbearance of sleep; vigil; wakeful, vigilant, or constantly observant attention; close observation; guard; preservative or preventive vigilance; formerly, a watching or guarding by night..
Investigate :: Investigate (v. t.) To follow up step by step by patient inquiry or observation; to trace or track mentally; to search into; to inquire and examine into with care and accuracy; to find out by careful inquisition; as, to investigate the causes of natural phenomena..
Aeroscopy :: Aeroscopy (n.) The observation of the state and variations of the atmosphere.
Rudolphine :: Rudolphine (a.) Pertaining to, or designating, a set of astronomical tables computed by Kepler, and founded on the observations of Tycho Brahe; -- so named from Rudolph II., emperor of Germany..
Microspectroscope :: Microspectroscope (n.) A spectroscope arranged for attachment to a microscope, for observation of the spectrum of light from minute portions of any substance..
Comment :: Comment (n.) A note or observation intended to explain, illustrate, or criticise the meaning of a writing, book, etc.; explanation; annotation; exposition..
Autopsy :: Autopsy (a.) Personal observation or examination; seeing with one's own eyes; ocular view.
Almagest :: Almagest (n.) The celebrated work of Ptolemy of Alexandria, which contains nearly all that is known of the astronomical observations and theories of the ancients. The name was extended to other similar works..
Concealment :: Concealment (n.) A place of hiding; a secret place; a retreat frem observation.
Appear :: Appear (v. i.) To become visible to the apprehension of the mind; to be known as a subject of observation or comprehension, or as a thing proved; to be obvious or manifest..
Reading :: Reading (n.) An observation read from the scale of a graduated instrument; as, the reading of a barometer..
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