backwashing

/bˈækwɑʃɪŋ/ noun

A form of water treatment in which water is pumped backwards through the filter media, sometimes with intermittent use of compressed air.

Word Origin Backwash combines 'back' (from Old English 'bæc') and 'wash' (from Old English 'wæscan') — the water that washes back, like the receding wave. Backwashing is the action of that backward flow, often used in cleaning filters. The same roots give us backbone, background, and whitewash.

noun A form of water treatment in which water is pumped backwards through the filter media, sometimes with intermittent use of compressed air. countable

Regular backwashing is essential to maintain the efficiency of the pool filter.

(名词) 反冲洗

定期反冲洗对于维持泳池过滤器的效率至关重要。

(sustantivo) Forma de tratamiento de agua en la que se bombea agua en sentido inverso a través del medio filtrante, a veces con uso intermitente de aire comprimido.

El retrolavado regular es esencial para mantener la eficiencia del filtro de la piscina.

(nom) lavage à contre-courant; rétrolavage; contre-lavage; lavage inversé [Technique de traitement de l'eau consistant à pomper l'eau à contre-courant à travers le filtre, parfois avec injection intermittente d'air comprimé.]

Un **backwashing** régulier est essentiel pour maintenir l'efficacité du filtre de la piscine.

(Substantiv) Rückspülung; Filterrückspülung [**backwashing** Subst. – ein Verfahren zur Wasseraufbereitung, bei dem Wasser rückwärts durch ein Filtermedium gepumpt wird, manchmal unter Einsatz von Druckluft.]

Regelmäßiges **backwashing** ist entscheidend, um die Effizienz des Poolfilters zu erhalten.

(名詞) 水を逆方向にフィルターに通し、場合によっては圧縮空気を断続的に使用して行う水処理の一種。

プール用フィルターの効率を維持するには、定期的な逆洗が不可欠である。

(substantivo) retrolavagem; lavagem reversa; contralavagem [Uma forma de tratamento de água na qual a água é bombeada para trás através do meio filtrante, às vezes com uso intermitente de ar comprimido.]

A retrolavagem regular é essencial para manter a eficiência do filtro da piscina.

Word parts: back + wash + ing

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