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Worthy of observation or notice; remarkable.

The act of noting, remarking, or observing; observation by the senses or intellect; cognizance; note. How ready is envy to mingle with the notices we take of other persons ! I. Watts.

Capable of being observed; worthy of notice; likely to attract observation; conspicous. A noticeable man, with large gray eyes. Wordsworth.

ess or night; inconspicuous to the sight; indistinctly seen; hidden; retired; remote from observation; unnoticed. The obscure bird Clamored the livelong night. Shak. The obscure corners of the earth. Sir J. Davies.

A place or building for making observations on the heavenly bodies. The new observatory in Greenwich Park. Evelyn.

ention to, anything; especially, one engaged in, or trained to habits of, close and exact observation; as, an astronomical observer. The observed of all observers. Shak. Careful observers may foretell the hour, By sure prognostic, when to dread a shower. Swift.

aled; unknown. It is of an occult kind, and is so insensible in its advances as to escape observation. I. Taylor. Occult line (Geom.), a line drawn as a part of the construction of a figure or problem, but not to appear in the finished plan. -- Occult qualities, those qualities whose effects only were observed, but th…

Observation of birds and their habits. [R.] De Quincey.

second scale that gives the approximate elevation above sea level of the place where the observation is made.

station without the limits of a camp, or at a distance from the main body of an army, for observation of the enemy.

The faculty of acquiring wesdom by observation and experience, or the wisdom so acquired; -- opposed to inwit. [Obs.] Piers Plowman.

andem, used for attaining great heights and for sending up instruments for meteorological observations or a man for military reconnoissance; also, a kite of such a train.

r as in, a parenthesis; as, a parenthetical clause; a parenthetic remark. A parenthetical observation of Moses himself. Hales.

The guard or men who go the rounds for observation; a detachment whose duty it is to patrol.

e; anything visible; whatever, in matter or spirit, is apparent to, or is apprehended by, observation; as, the phenomena of heat, light, or electricity; phenomena of imagination or memory. In the phenomena of the material world, and in many of the phenomena of mind. Stewart.

Anything employed for the observation of light or luminous effects.

grave abound in pleasantries, the dull in repartees and points of wit. Addison. The keen observation and ironical pleasantry of a finished man of the world. Macaulay.

or pertaining to the polariscope; obtained by the use of a polariscope; as, polariscopic observations.

The art or rocess of making observations with the polariscope.

ing 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 useless and unprofitable.