Electroscope Definition

ĭ-lĕktrə-skōp
noun
An instrument for detecting very small charges of electricity, electric fields, or radiation: it can indicate whether they are positive or negative, as by the divergence of electrically charged strips of gold leaf: when fitted with optical means for quantitative observation of the divergence, an electroscope serves as an electrometer.
Webster's New World
An instrument used to detect the presence, sign, and in some configurations the magnitude of an electric charge by the mutual attraction or repulsion of metal foils or pith balls.
American Heritage

Other Word Forms of Electroscope

Noun

Singular:
electroscope
Plural:
electroscopes

Origin of Electroscope

  • electro- +‎ -scope

    From Wiktionary

Electroscope Sentence Examples

  • The electroscope was used in conjunction with an oil lamp or gas flame.

  • The sign of the electrification imparted to the electroscope when so charged - that is, whether positive or negative - can be determined by rubbing the sealing-wax rod with flannel and the glass rod with silk, and approaching them gently to the electroscope one at a time.

  • If an insulated brass ball is touched against the first tray and then against the knob or plate of the electroscope, the gold leaves will diverge.

  • If the ball is discharged and touched against the other tray, and then afterwards against the previously charged electroscope, the leaves will collapse.

  • The next improvement was the invention of simple forms of repulsion electroscope.

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Words Starting With

EELELE

Words Ending With

EPEOPE

Unscrambles

electroscope

Words Starting With E and Ending With E

Starts With E & Ends With EStarts With EL & Ends With EStarts With E & Ends With PE

Word Length

12 Letter Words12 Letter Words Starting With E12 Letter Words Ending With E