choke

choke

1. a device in the carburettor of a petrol engine that enriches the petrol-air mixture by reducing the air supply

2. any constriction or mechanism for reducing the flow of a fluid in a pipe, tube, etc.

3. Electronics an inductor having a relatively high impedance, used to prevent the passage of high frequencies or to smooth the output of a rectifier

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choke [chōk]

(electricity)

An inductance used in a circuit to present a high impedance to frequencies above a specified frequency range without appreciably limiting the flow of direct current. Also known as choke coil.

(electromagnetism)

A groove or other discontinuity in a waveguide surface so shaped and dimensioned as to impede the passage of guided waves within a limited frequency range.

(mechanical engineering)

To increase the fuel feed to an internal combustion engine through the action of a choke valve.

choke valve

(ordnance)

A narrowing toward the muzzle in the bore of gun, hence the choked bore; often applied to shotguns.

(petroleum engineering)

A removable nipple inserted in a flow line to control oil or gas flow.

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(jargon)

choke - To fail to process input or, more generally, to fail at any endeavor. E.g. "NULs make System V's "lpr(1)" choke." See barf, gag.