1. relating to or being an embryo
Usage: biological
2. in the earliest stage of development; rudimentary

Examples

• The embryonic stage of human development lasts about eight weeks.
• Scientists studied embryonic stem cells in the laboratory.
• The company’s plans are still in embryonic form.
• Her embryonic ideas about the project needed more development.
• The embryonic democracy struggled to establish stable institutions.
• The technology is still embryonic but shows great promise.
• Embryonic research has led to important medical breakthroughs.