Definición de sea urchin en inglés:

sea urchin

Silabificación: sea ur·chin

sustantivo

  • A marine echinoderm that has a spherical or flattened shell covered in mobile spines, with a mouth on the underside and calcareous jaws. Many species are harvested for food.
    • Class Echinoidea: several families and genera, and numerous species, including the Atlantic purple sea urchin (Arbacia punctulata, family Arbaciidae) and the green sea urchin (Strongylocentrotus drobachiensis, family Strongylocentrotidae)
    Más ejemplos en oraciones
    • The sea urchin is one of the few marine organisms whose genome has been sequenced.
    • The inner shell of a sea urchin is a hollow globe, scored in five curved sections that taper at the ends into a small hole at the top and bottom.
    • The red sea urchin's body is domed above and flat below.

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Palabra del día kerf
Pronunciación: kəːf
noun
a slit made by cutting with a saw