1. substances containing microorganisms that are introduced into soil or seeds to improve plant growth
Usage: agricultural; scientific
2. materials used for inoculation or vaccination
Usage: medical; veterinary

Examples

• Farmers apply nitrogen-fixing inoculants to legume seeds before planting.
• The agricultural extension office recommended specific inoculants for soybean crops.
• Rhizobium inoculants help plants absorb nutrients more effectively.
• The veterinarian ordered fresh inoculants for the livestock vaccination program.
• Organic farmers often use bacterial inoculants to enhance soil fertility.
• The seed company coated the beans with beneficial inoculants.
• Research shows that mycorrhizal inoculants can improve crop yields.