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

Lesson :: Lesson (n.) That which is learned or taught by an express effort; instruction derived from precept, experience, observation, or deduction; a precept; a doctrine; as, to take or give a lesson in drawing..
Self-conscious :: Self-conscious (a.) Conscious of one's self as an object of the observation of others; as, the speaker was too self-conscious..
Outwit :: Outwit (n.) The faculty of acquiring wisdom by observation and experience, or the wisdom so acquired; -- opposed to inwit..
Micrology :: Micrology (n.) That part of science which treats of microscopic objects, or depends on microscopic observation..
Observatory :: Observatory (n.) A building fitted with instruments for making systematic observations of any particular class or series of natural phenomena.
Scout :: Scout (v. t.) To observe, watch, or look for, as a scout; to follow for the purpose of observation, as a scout..
Comment :: Comment (n.) A note or observation intended to explain, illustrate, or criticise the meaning of a writing, book, etc.; explanation; annotation; exposition..
Observation :: Observation (n.) The result of an act, or of acts, of observing; view; reflection; conclusion; judgment..
Ornithoscopy :: Ornithoscopy (n.) Observation of birds and their habits.
Terrestrial :: Terrestrial (a.) Adapted for the observation of objects on land and on the earth; as, a terrestrial telescope, in distinction from an astronomical telescope..
Positivism :: Positivism (n.) A system of philosophy originated by M. Auguste Comte, which deals only with positives. It excludes from philosophy everything but the natural phenomena or properties of knowable things, together with their invariable relations of coexistence and succession, as occurring in time and space. Such relations are denominated laws, which are to be discovered by observation, experiment, and comparison. This philosophy holds all inquiry into causes, both efficient and final, to be useles
Weight :: Weight (v. t.) To assign a weight to; to express by a number the probable accuracy of, as an observation. See Weight of observations, under Weight..
Telespectroscope :: Telespectroscope (n.) A spectroscope arranged to be attached to a telescope for observation of distant objects, as the sun or stars..
Methodist :: Methodist (n.) One of an ancient school of physicians who rejected observation and founded their practice on reasoning and theory.
Heed :: Heed (n.) Attention; notice; observation; regard; -- often with give or take.
Theodolitic :: Theodolitic (a.) Of or pertaining to a theodolite; made by means of a theodolite; as, theodolitic observations..
Note :: Note (n.) A brief remark; a marginal comment or explanation; hence, an annotation on a text or author; a comment; a critical, explanatory, or illustrative observation..
Reduction :: Reduction (v. t.) The correction of observations for known errors of instruments, etc..
Gnomon :: Gnomon (n.) A style or column erected perpendicularly to the horizon, formerly used in astronomocal observations. Its principal use was to find the altitude of the sun by measuring the length of its shadow..
Scientific :: Scientific (a.) Of or pertaining to science; used in science; as, scientific principles; scientific apparatus; scientific observations..
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