Definition of medaka in English:


Line breaks: me¦daka
Pronunciation: /məˈdɑːkə


  • A small, slender freshwater fish with the dorsal fin set back near the tail, native to parts of SE Asia and Japan.
    • Family Oryziatidae and genus Oryzias: several species
    More example sentences
    • 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.
    • In the medaka, cortisol treatment increased the ability of acid-exposed fish to maintain plasma sodium levels.
    • The Japanese medaka were purchased from a biological supply company.


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

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody