indicator

noun
in·​di·​ca·​tor | \ ˈin-də-ˌkā-tər How to pronounce indicator (audio) \

Definition of indicator

1 : one that indicates: such as
a : an index hand (as on a dial) : pointer
(2) : an instrument for automatically making a diagram that indicates the pressure in and volume of the working fluid of an engine throughout the cycle
2a : a substance (such as litmus) used to show visually (as by change of color) the condition of a solution with respect to the presence of a particular material (such as a free acid or alkali)
3 : an organism or ecological community so strictly associated with particular environmental conditions that its presence is indicative of the existence of these conditions
4 : any of a group of statistical values (such as level of employment) that taken together give an indication of the health of the economy

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Other Words from indicator

indicatory \ in-​ˈdi-​kə-​ˌtȯr-​ē How to pronounce indicatory (audio) \ adjective

Synonyms for indicator

Synonyms

hand, index, needle, pointer

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Examples of indicator in a Sentence

Economic indicators suggest that prices will go up. a control panel with various indicator lights

First Known Use of indicator

1666, in the meaning defined at sense 1

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Time Traveler for indicator

The first known use of indicator was in 1666

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More Definitions for indicator

indicator

noun

English Language Learners Definition of indicator

: a sign that shows the condition or existence of something
: a pointer or light that shows the state or condition of something
: a device that shows a measurement

indicator

noun
in·​di·​ca·​tor | \ ˈin-də-ˌkā-tər How to pronounce indicator (audio) \

Kids Definition of indicator

1 : a sign that shows or suggests the condition or existence of something
2 : a pointer on a dial or scale

indicator

noun
in·​di·​ca·​tor | \ ˈin-də-ˌkāt-ər How to pronounce indicator (audio) \

Medical Definition of indicator

: a substance (as a dye) used to show visually (as by a change in color) the condition of a solution with respect to the presence of a particular material (as a free acid or alkali) litmus and phenolphthalein are acid-base indicators

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