1. plural of hotness; the quality or state of being hot in temperature
Usage: countable when referring to multiple instances or degrees of heat
2. plural of hotness; the quality of being spicy or peppery in flavor
Usage: informal
3. plural of hotness; the quality of being currently popular, trendy, or in demand
Usage: informal, slang

Examples

• The hotnesses of the different chili peppers varied greatly.
• We adjusted the oven to different hotnesses for baking various dishes.
• The hotnesses of these spices will make your eyes water.
• The hotnesses of trending topics on social media change daily.
• Comparing the hotnesses of summer days this year to last year shows a clear difference.