A luminous, rounded object formed within the shells of mollusks, particularly the Akoya oyster, created as a defense mechanism against foreign particles, valued for its beauty and used as a decorative element in jewelry throughout history.
A naturally occurring or cultivated gem composed primarily of calcium carbonate, known for its silvery-white sheen, which has been treasured as a gemstone since ancient times and is associated with the month of June as its birthstone.
A sophisticated product of marine organisms, often considered a symbol of elegance and purity, which can be both harvested from the wild and artificially produced through aquaculture practices.
Example:
それは贋の真珠にすぎない。
A marine mollusk known for its ability to produce pearls, particularly valued for their lustrous and often spherical quality, often found within specific species like the Akoya oyster.
A type of bivalve shellfish, commonly associated with the jewelry industry, where its inner shell layer secretes nacre, creating beautiful gemstones used for adornment.
A colloquial term typically referring to the Akoya oyster, which is primarily cultivated for pearl production and recognized for its exquisite and high-quality pearls.
A surprise military strike conducted by the Japanese Navy against the United States Pacific Fleet stationed at Pearl Harbor, Hawaii, marking the initiation of hostilities in the Pacific Theater during World War II.
The coordinated assault on a strategic American naval base in December 1941, which significantly altered the course of the war and led to the United States' entry into World War II.
An event characterized by its unexpected nature, where Japan executed a preemptive attack aimed at crippling the naval power of the United States in the Pacific, ultimately resulting in widespread military and geopolitical ramifications.