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louver(noun) One of a set of parallel slats in a door or window to admit air and reject rain. Synonyms: finUsage: Rain will continue slipping through that broken louver until we fix it.
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Location: Kolkata, Bengal, India
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Word of the Day
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louver
Definition: (noun) One of a set of parallel slats in a door or window to admit air and reject rain.
Synonyms: fin
Usage: Rain will continue slipping through that broken louver until we fix it.
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Joined: 2/19/2017
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"louver" or "louvre"?
It's a french word, so should be spelt "louvre". The similarity with the legendary Paris Gallery "La Louvre" is not coincidental.
More importantly it's a technical expression for a mechanical air flow control system, restricting or opening by rotating the system of flat bars which can close, restrict or minimise the obstruction to flow. Widely used for the control of gas turbines, where air is the working fluid.
The american spelling results from the american attempt to 'simplify' the language for the benefit of under-educated americans who were largely 'non-native-english' speakers. This attempt has resulted in additional confusion, as usual.
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Location: South Dublin, Ireland
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Louver, from vouvert, French, an opening. An opening for the smoke to go out at in the roof of a cottage.
S.I. No. 254/2015 - Taxes Consolidation Act 1997 (Accelerated Capital Allowances for Energy Efficient Equipment) (Amendment) (No. 1) Order 2015.
In Part 3 of the Schedule 2 of the Principal Order, that is, the Taxes Consolidation Act 1997 (Accelerated Capital Allowances for Energy Efficient Equipment) Order 2008, there are short descriptions of products with their names and codes, there. For example, Triple E Code LIG60343; Product Code LLSV128Z; Product Name LASERLINE i; Short Description: Architectural shallow suspended luminaire with 650 - 1000Cd/M2 louver; Manufacturer: Cooper Lighting & Safety Ltd.
S.I. 107/2012 - Taxes Consolidation Act 1997 (Accelerated Capital Allowances for Energy Efficient Equipment) (Amendment) (No. 1) Order 2012, within rule 18, there is about product Profile Radiance Surface LG3:2001 -2x36W whose description there is as follows: Surface Mounted Louvered Linear Fluorescent, manufactured by Thorlux Lighting.
In [2018] EWHC 1602 (TCC), 16. Mechanical & Electrical Works: (...) The exhaust duct from the AHU is to discharge through a louvered façade via an attenuator at first-floor level over the proposed green roof. (...) The extracted restaurant air is to discharge across the green roof through an acoustic louver which forms the upstand of the elevated green roof system.
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louvre
noun: louver
1.
each of a set of angled slats fixed or hung at regular intervals in a door, shutter, or screen to allow air or light to pass through.
"murky light filters through the vertical louvres of the window blinds"
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Aluminum Louver
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