scope (n.1)

"extent," 1530s, "room to act," from Italian scopo "aim, purpose, object, thing aimed at, mark, target," from Latin scopus, from Greek skopos "aim, target, object of attention; watcher, one who watches" from metathesized form of PIE *spek-yo-, suffixed form of root *spek- "to observe." Sense of "distance the mind can reach, extent of view" first recorded c. 1600.

scope (n.2)

"instrument for viewing," 1872, abstracted from telescope, microscope, etc., from Greek skopein "to look" (from PIE root *spek- "to observe"). Earlier used as a shortening of horoscope (c. 1600).

scope (v.)

"to view," 1807, from the source of scope (n.2). Related: Scoped; scoping.

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Definitions of scope

scope (n.)
an area in which something acts or operates or has power or control: "the range of a supersonic jet";
within the scope of an investigation
Synonyms: range / reach / orbit / compass / ambit
scope (n.)
the state of the environment in which a situation exists;
Synonyms: setting / background
scope (n.)
a magnifier of images of distant objects;
Synonyms: telescope
scope (n.)
electronic equipment that provides visual images of varying electrical quantities;
Synonyms: oscilloscope / cathode-ray oscilloscope / cro