annunciator

an·nun·ci·a·tor

A0319700 (ə-nŭn′sē-ā′tər)n. One that announces, especially an electrical signaling device used in hotels or offices to indicate the sources of calls on a switchboard.

an·nun′ci·a·to′ry (-ə-tōr′ē) adj.

annunciator

(əˈnʌnsɪˌeɪtə) n1. (General Physics) a device that gives a visual indication as to which of a number of electric circuits has operated, such as an indicator in a hotel showing in which room a bell has been rung2. (Railways) a device giving an audible signal indicating the position of a train3. (Broadcasting) a less common word for announcer

an•nun•ci•a•tor

(əˈnʌn siˌeɪ tər)

n. 1. an announcer. 2. a signaling apparatus, esp. in some doorbell systems, that uses lights or pointers to indicate the source of the signal. [1745–55]

Thesaurus

Noun

annunciator - an indicator that announces which electrical circuit has been active (as on a telephone switchboard)indicator - a device for showing the operating condition of some system

annunciator

[ə′nən·sē·ād·ər] (engineering) A signaling apparatus which operates electromagnetically and serves to indicate visually, or visually and audibly, whether a current is flowing, has flowed, or has changed direction of flow in one or more circuits.

annunciator

1. A signaling device, usually electrically operated, that emits an audible signal and/or a visual indication under selected circumstances; for example, it may sound an alarm in the case of fire or unauthorized entry. 2.See car annunciator.

annunciator

Indicator flag in a gyrocompass that alternates between a dot and a cross and does not settle on either when AC (alternating current) supply is on. If the compass drifts, then either the dot or the cross will be visible, and the compass will not annunciate.

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Words related to annunciator

noun an indicator that announces which electrical circuit has been active (as on a telephone switchboard)

Related Words