1. plural of biomass; the total mass of living organisms in a given area or ecosystem
Usage: countable when referring to multiple distinct populations or regions; uncountable when referring to biomass as a general concept
2. plural of biomass; organic material used as fuel or energy source
Usage: technical/environmental context

Examples

• Scientists measured the biomasses of different fish populations in the lake.
• The forest's total biomasses increased significantly after the conservation effort.
• Various biomasses can be converted into energy through combustion or fermentation.
• Researchers compared the biomasses of terrestrial and aquatic ecosystems.
• Renewable energy companies are exploring different biomasses as sustainable fuel sources.
• The study examined how climate change affects biomasses across multiple regions.