Back porch definitions

back porch

portion of the line blanking interval situated after the line synchronizing pulse
Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=723-05-42

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Back Porch

Back porch is London Cockney rhyming slang for a torch.
Found on http://www.probertencyclopaedia.com/browse/ZB.HTM

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back porch

[n] - a porch for the back door
Found on http://www.webdictionary.co.uk/definition.php?query=back%20porch

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back porch

noun a porch for the back door
Found on https://www.encyclo.co.uk/local/20974

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