1. a device or substance that causes seeds or spores to germinate
Usage: technical; agriculture
2. something that initiates or triggers growth or development
Usage: figurative

Examples

• The farmer used a chemical germinator to speed up seed sprouting.
• Heat and moisture act as natural germinators for most plant seeds.
• The new policy became a germinator for economic growth in the region.
• A germinator device helps researchers study plant development in controlled conditions.
• Without proper moisture, even the best germinator cannot activate dormant seeds.