2434mortar (filler)TTen-USVocabulário Colaborativo em Artes e Arquitetura active approved mortar (filler)A pasty building material that sets to form a hard, infusible solid. Most mortars are mixtures of lime, plaster of Paris, or cement with sand and water. It is used to fill the joints of brick and stone masonry and for other purposes.

Source: Art and Architect Thesaurus

http://vocab.getty.edu/page/aat/300014741

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