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...
![Freshwater Ecology](https://www.biologyonline.com/wp-content/uploads/2020/02/Freshwater-Ecology-300x168.jpg)
Freshwater Ecology
Freshwater ecology focuses on the relations of aquatic organisms to their freshwater habitats. There are two forms of co..
![bryophyte - sporophyte and gametophyte](https://www.biologyonline.com/wp-content/uploads/2020/02/Meiosis-and-Alternation-of-Generations-252x168.jpg)
Meiosis and Alternation of Generations
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
![Schematic diagram of DNA replication](https://www.biologyonline.com/wp-content/uploads/2020/02/DNA-Structure-DNA-Replication-269x168.jpg)
DNA Structure & DNA Replication
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
![Human Nervous System](https://www.biologyonline.com/wp-content/uploads/2020/02/The-Human-Nervous-System-182x168.jpg)
The Human Nervous System
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
![Freshwater aquatic plankton](https://www.biologyonline.com/wp-content/uploads/2020/02/Freshwater-Communities-Plankton-224x168.jpg)
Freshwater Communities & Plankton
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
![Early Earth](https://www.biologyonline.com/wp-content/uploads/2020/02/The-Origins-of-Life-300x168.jpg)
The Origins of Life
This tutorial digs into the past to investigate the origins of life. The section is split into geological periods in the..