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Created page with 'File:lighterstill.jpgright|frame == Senses relating to the observance of custom, duty, etc.== *1. An action, esp. of a religious and...'
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== Senses relating to the observance of [[custom]], [[duty]], etc.==
*1. An [[action]], esp. of a [[religious]] and ceremonial [[nature]], performed in accordance with prescribed usage; a customary action, ceremony, or [[ritual]]; = OBSERVANCE n. 1. rare after 17th cent.

*2. More generally: the action or [[practice]] of following or heeding a particular [[law]], duty, etc.; adherence or regard to a particular [[custom]], [[practice]], principle, etc.; = OBSERVANCE n. 4a. Usu. with of. Now rare.

*3. Regard, [[respect]], deference; respectful or courteous [[attention]]. Cf. OBSERVANCE n. 5. Obs.

*4. Attentive care, heed; = OBSERVANCE n. 3. Obs.

==Senses relating to observing or taking notice.==
*5. a. The [[action]] or an act of observing, watching, or noticing; the fact or condition of being watched or noticed; notice; [[perception]].
:b. Noteworthiness, notability. Usu. with modifying adjective in of {emem} observation. Obs.
:c. The faculty or [[power]] of observation; the [[habit]] of observing, perceiving or taking notice. Now rare. Perh. Obs.
:d. [[Attention]] to, or inspection of, [[omens]]; augury, [[divination]]; an instance of this. Obs.
:e. Mil. The watching of an enemy's positions, movements, responses, etc.; reconnaissance (chiefly in compounds: see Compounds 1). army of observation n. a [[force]] employed in watching an enemy force. Similarly corps (etc.) of observation.

*6. Observed [[truth]] or [[fact]]; something learned by observing; a rule or maxim gathered from [[experience]].

*7. a. The action or an act of observing [[scientific]]ally; esp. the careful watching and noting of an object or [[phenomenon]] in regard to its cause or effect, or of objects or phenomena in regard to their mutual [[relations]] (contrasted with [[experiment]]). Also: a [[measurement]] or other piece of [[information]] so obtained; an experimental result.

:b. spec. The measurement of the altitude of the [[sun]] (or other [[celestial]] object) by means of an [[astronomical]] instrument, in order to ascertain [[latitude]] or [[longitude]]; an instance of this. to work an observation: to ascertain the latitude or longitude by means of calculations based on a measurement of the sun's altitude.

*8. As a mass noun: comment, animadversion. More usually as a count noun: a remark, statement, or comment prompted by something seen, heard, or noticed.

*9. An object of [[attention]]. Obs. rare.

==Phrases==
*under observation.

:a. Being watched closely or [[systematically]]; (being, becoming, or kept) subject to close scrutiny or monitoring, spec. as the object of [[scientific]] [[study]] under experimental or natural conditions. Cf. sense 7a, UNDER prep. 13c.
:b. Of a suspect, enemy, etc., or a location: (being kept) under [[surveillance]], esp. as part of a criminal investigation or military campaign.
:c. Med. Of a patient, esp. one kept in hospital: (being, kept, or becoming) subject to close scrutiny or monitoring as to the symptoms, [[progress]], etc., of a medical condition, esp. pending diagnosis or as an aid to prescribing an appropriate treatment.

[[Category: General Reference]]

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