Definition of blastosphere in English:

blastosphere

Syllabification: blas·to·sphere
Pronunciation: /ˈblastəˌsfi(ə)r
 
/

noun

Another term for blastula.

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Word of the day demoralize
Pronunciation: dəˈmôrəˌlīz
verb
cause (someone) to lose confidence or hope; dispirit