Definition of observer

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Observer (n.) One who fulfills or performs; as, an observer of his promises..

Lern More About Observer

Observership :: Observership (n.) The office or work of an observer.
Acute :: Acute (a.) Having nice discernment; perceiving or using minute distinctions; penetrating; clever; shrewd; -- opposed to dull or stupid; as, an acute observer; acute remarks, or reasoning..
Heliotrope :: Heliotrope (n.) An instrument for making signals to an observer at a distance, by means of the sun's rays thrown from a mirror..
Autophony :: Autophony (n.) An auscultatory process, which consists in noting the tone of the observer's own voice, while he speaks, holding his head close to the patient's chest..
Observer :: Observer (n.) A sycophantic follower.
Distinguisher :: Distinguisher (n.) One who discerns accurately the difference of things; a nice or judicious observer.
Observer :: Observer (n.) One who keeps any law, custom, regulation, rite, etc.; one who conforms to anything in practice..
Misobserver :: Misobserver (n.) One who misobserves; one who fails to observe properly.
Shrewd :: Shrewd (superl.) Able or clever in practical affairs; sharp in business; astute; sharp-witted; sagacious; keen; as, a shrewd observer; a shrewd design; a shrewd reply..
Sabbatarian :: Sabbatarian (n.) A strict observer of the Sabbath.
Geodetical :: Geodetical (a.) Of or pertaining to geodesy; obtained or determined by the operations of geodesy; engaged in geodesy; geodesic; as, geodetic surveying; geodetic observers..
Aberration :: Aberration (n.) A small periodical change of position in the stars and other heavenly bodies, due to the combined effect of the motion of light and the motion of the observer; called annual aberration, when the observer's motion is that of the earth in its orbit, and daily or diurnal aberration, when of the earth on its axis; amounting when greatest, in the former case, to 20.4'', and in the latter, to 0.3''. Planetary aberration is that due to the motion of light and the motion of the planet re
Speculator :: Speculator (n.) One who speculates. Specifically: (a) An observer; a contemplator; hence, a spy; a watcher..
Observer :: Observer (n.) One who fulfills or performs; as, an observer of his promises..
Observer :: Observer (n.) One who observes, or pays attention to, anything; especially, one engaged in, or trained to habits of, close and exact observation; as, an astronomical observer..
Minute :: Minute (a.) Attentive to small things; paying attention to details; critical; particular; precise; as, a minute observer; minute observation..
Stereoscopic :: Stereoscope (n.) An optical instrument for giving to pictures the appearance of solid forms, as seen in nature. It combines in one, through a bending of the rays of light, two pictures, taken for the purpose from points of view a little way apart. It is furnished with two eyeglasses, and by refraction or reflection the pictures are superimposed, so as to appear as one to the observer..
Close :: Close (v. t.) Accurate; careful; precise; also, attentive; undeviating; strict; not wandering; as, a close observer..
Studentry :: Student (n.) One who studies or examines in any manner; an attentive and systematic observer; as, a student of human nature, or of physical nature..
Eclipse :: Eclipse (n.) An interception or obscuration of the light of the sun, moon, or other luminous body, by the intervention of some other body, either between it and the eye, or between the luminous body and that illuminated by it. A lunar eclipse is caused by the moon passing through the earth's shadow; a solar eclipse, by the moon coming between the sun and the observer. A satellite is eclipsed by entering the shadow of its primary. The obscuration of a planet or star by the moon or a planet, thoug
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