(しんじゅがい)

しんじゅがい
noun
pearl oyster; pearl-bearing shellfish
1. pearl oyster; pearl-bearing shellfish
A general term for various species of marine bivalves whose inner shell is lined with a layer of nacre (mother-of-pearl) and which can produce pearls — most notably the Akoya pearl oyster ({アコヤガイ}), used for the cultured pearl industry that Japan helped to pioneer. Used in news about pearl farming, marine biology articles, and aquariums.
真珠貝(しんじゅがい)(そだ)てる。
To raise pearl oysters.
三重県(みえけん)真珠貝(しんじゅがい)養殖(ようしょく)有名(ゆうめい)だ。
Mie Prefecture is famous for pearl-oyster farming.
真珠貝(しんじゅがい)(なか)(かく)()れて、数年(すうねん)かけて真珠(しんじゅ)(つく)らせる。
A nucleus is placed inside the pearl oyster, and a pearl is grown over several years.

Compound of 真珠(しんじゅ) ('pearl') and (かい) ('shellfish'). A general category name covering several species used in pearl farming. The most common in Japanese cultured pearl production is the Akoya oyster; in tropical waters, larger species such as the white-lipped pearl oyster and black-lipped pearl oyster are also called 真珠貝(しんじゅがい).

USAGE:

  • Used in marine biology, fisheries, and the jewellery industry.
  • Mie Prefecture (especially the Ago Bay area) is historically the home of Japan's cultured pearl industry, founded by Mikimoto Kokichi.
  • The shell itself is also valued as a material for buttons, inlay work, and ornaments.

COMMON COLLOCATIONS:

  • 真珠貝(しんじゅがい)養殖(ようしょく)する: to farm pearl oysters
  • 真珠貝(しんじゅがい)()る: to harvest pearl oysters
  • 真珠貝(しんじゅがい)(かく)()れ: nucleus insertion in pearl oysters
  • 真珠貝(しんじゅがい)(から): shell of a pearl oyster

SIMILAR WORDS:

  • 真珠(しんじゅ): pearl — the gem produced by the oyster.
  • {アコヤガイ}: Akoya pearl oyster — the main species used for cultured pearls in Japan.
  • 黒蝶貝(くろちょうがい): black-lipped pearl oyster — produces black (Tahitian) pearls.
  • 白蝶貝(しろちょうがい): white-lipped pearl oyster — produces large South Sea pearls.
  • 牡蠣(かき): oyster (food) — edible oyster, a different family of bivalves; not used to produce gem-quality pearls.
  • 養殖(ようしょく): aquaculture; farming — the process used to grow cultured pearls.