Echinoidea
ریشه و کاربرد
ریشه
From the Greek 'echinos' meaning 'hedgehog' and 'eidos' meaning 'form' or 'likeness'.
مثال
- Sea urchins belong to the class Echinoidea.
- Echinoidea have a hard, spiny shell.
- The Echinoidea are known for their radial symmetry.
ترکیبهای رایج
Class Echinoidea Echinoidea species Echinoidea family Echinoidea genus
تعریف انگلیسی
noun
- sea urchins and sand dollars