Meaning of INDICATOR in English

INDICATOR

transcription, транскрипция: [ ˈin-də-ˌkā-tər ]

noun

Date: 1666

1. : one that indicates: as

a. : an index hand (as on a dial) : pointer

b.

(1) : gauge 2b, dial 4a

(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

2.

a. : a substance (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 (as a free acid or alkali)

b. : tracer 4b

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 (as level of employment) that taken together give an indication of the health of the economy

• in·dic·a·to·ry in-ˈdi-kə-ˌtȯr-ē adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.