from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The act or faculty of observing.
  • n. The fact of being observed.
  • n. The act of noting and recording something, such as a phenomenon, with instruments.
  • n. The result or record of such notation: a meteorological observation.
  • n. A comment or remark. See Synonyms at comment.
  • n. An inference or a judgment that is acquired from or based on observing.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The act of observing, and the fact of being observed.
  • n. The act of noting and recording some event; or the record of such noting.
  • n. A remark or comment.
  • n. A judgement based on observing.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act or the faculty of observing or taking notice; the act of seeing, or of fixing the mind upon, anything.
  • n. The result of an act, or of acts, of observing; view; reflection; conclusion; judgment.
  • n. An expression of an opinion or judgment upon what one has observed; a remark.
  • n. Performance of what is prescribed; adherence in practice; observance.
  • n.
  • n. The act of recognizing and noting some fact or occurrence in nature, as an aurora, a corona, or the structure of an animal.
  • 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.
  • n. The information so acquired.

from The Century Dictionary and Cyclopedia

  • n. The act or fact of observing, and noting or fixing in the mind; a seeing and noting; notice: as, a fact that does not come under one's observation.
  • n. The habit or power of observing and noting: as, a man of great observation.
  • n. An act of scientific observing; an accurate remarking (often with measurement) of a fact directly presented to the senses, together with the conditions under which it is presented: as, a meridian observation, made by a navigator, in which he measures the sun's altitude when on the meridian for the purpose of calculating the latitude; the meteorological observations made by the Signal Service Bureau.
  • n. The result of such a scientific practice; the information gained by observing: as, to tabulate observations.
  • n. Knowledge; experience.
  • n. A remark, especially a remark based or professing to be based on what has been observed; an opinion expressed.
  • n. The fact of being seen or noticed; notice; remark: as, to escape observation; anxious to avoid observation.
  • n. Observance; careful attention to rule, custom, or precept, and performance of whatever is prescribed or required.
  • n. A rite; a ceremony; an observance.
  • n. Synonyms Observance, Observation. See observance.
  • n. Experiment, etc. See experience.
  • n. Note, Comment, etc. (see remark, n.), annotation.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the act of observing; taking a patient look
  • n. the act of noticing or paying attention
  • n. facts learned by observing
  • n. the act of making and recording a measurement
  • n. a remark expressing careful consideration


from Wiktionary, Creative Commons Attribution/Share-Alike License

From Latin observatio



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