Jisho

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Noun
1. grout; grouting (cement between tile squares)
Wikipedia definition
2. GroutGrout is a construction material used to embed rebars in masonry walls, connect sections of pre-cast concrete, fill voids, and seal joints (like those between tiles). Grout is generally composed of a mixture of water, cement, sand, often color tint, and sometimes fine gravel (if it is being used to fill the cores of cement blocks). It is applied as a thick emulsion and hardens over time, much like its close relative mortar.
Read “Grout” on English Wikipedia
Read “グラウト” on Japanese Wikipedia
Read “Grout” on DBpedia

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