nacre
(Science: zoology) A pearly substance which lines the interior of many shells, and is most perfect in the mother-of-pearl.
Alternative forms: nacker and naker See pearl, and mother-of-pearl.
Origin: F, cf. Sp. Nacara, nacar, It. Nacchera, naccaro, LL. Nacara, nacrum; of Oriental origin, cf. Ar. Nakir hollowed.
Dictionary > Nacre
You will also like...

Lotic Communities & Algae
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..

Genetic Engineering Advantages & Disadvantages
This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. Know more about this ..

Independent Assortment and Crossing Over
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..

The Water Cycle
The water cycle (also referred to as the hydrological cycle) is a system of continuous transfer of water from the air, s..

Muscle
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..

Plant Water Regulation
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..