Definition of "encrustations" [encrustations]

• Plural form of encrustation. (noun)

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• "Lace insets, sparkly encrustations and complicated little curlicues of material were bound together with wafer-thin patchworks of other materials, all in the tea-stained hues of yesteryear."
• "I believe real growth and development only occurs under "positive reinforcement", under conditions of trust and reciprocity, and all lessons learned from punishment and pain are rigid encrustations that will eventually have to be undone for clear thinking to take place."
• "Using speleothem encrustations from coastal caves on the island of Mallorca, we determined that western Mediterranean relative sea level was ~1 meter above modern sea level ~81,000 years ago during marine isotope stage (MIS) 5a."