← Back to search

Meaning of royalactin | Babel Free

Noun CEFR B2

Definitions

A protein in royal jelly, believed to cause a bee to develop into a queen.

uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

royale royalet royalisin Royalism Royalist Royalists