Oxford Dictionary English heat map noun noun BrE BrE//ˈhiːt mæp// ; NAmE NAmE//ˈhiːt mæp// Add to my wordlistjump to other resultsa diagram that uses different colours, or different shades of the same colour, to show different levels of activity This heat map of crime data shows where the crime hotspots are.Check pronunciation: heat map oxfordlearnersdictionaries.com
