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词汇 medaka
释义

Definition of medaka in English:

medaka

noun məˈdɑːkəməˈdɑkə
  • A small, slender freshwater fish with the dorsal fin set back near the tail, native to parts of SE Asia and Japan.

    鳉,青鳉

    Family Oryziatidae and genus Oryzias: several species

    Example sentencesExamples
    • Genetic linkage maps have been developed for a number of fish species, including zebra fish, medaka, catfish, rainbow trout, Atlantic salmon, and Lake Malawi cichlids.
    • Such a lack of uniformity has been reported in medaka and zebrafish.
    • The Japanese medaka were purchased from a biological supply company.
    • In the medaka, cortisol treatment increased the ability of acid-exposed fish to maintain plasma sodium levels.
    • This estimate is similar to the value of tilapia, medaka, and Japanese flounder.

Origin

Early 20th century: from Japanese me(y) 'eye' + -daka 'high'.

Definition of medaka in US English:

medaka

(also medakafish)
nounməˈdɑkəməˈdäkə
  • A small Japanese freshwater fish of variable color that is bred for aquariums and also extensively studied in the sciences.

    Oryzias latipes, family Adrianichthyidae

    Example sentencesExamples
    • The Japanese medaka were purchased from a biological supply company.
    • Genetic linkage maps have been developed for a number of fish species, including zebra fish, medaka, catfish, rainbow trout, Atlantic salmon, and Lake Malawi cichlids.
    • This estimate is similar to the value of tilapia, medaka, and Japanese flounder.
    • In the medaka, cortisol treatment increased the ability of acid-exposed fish to maintain plasma sodium levels.
    • Such a lack of uniformity has been reported in medaka and zebrafish.

Origin

Early 20th century: from Japanese me(y) ‘eye’ + -daka ‘high’.

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