nacre in a sentence

Example sentences for nacre

When an intruder bores into the oyster shell, the oyster reacts by covering it with nacre, producing a pearl.
In particular, they've looked to the porous but resilient material called nacre that lines abalone shells.
Many biological materials use the same trick to increase their strength, materials such as bone, teeth and nacre.
To reduce irritation, it is coated with nacre, the same secretion the animal uses to grow its shell.
Cultured pearls are formed by the deposition of nacre onto a spherical nucleus.
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