frazil /frazˈil or frāˈzil/ (N American)

1. Ground-ice
2. Ice in small spikes and plates in rapid streams

• hard-hearted
• hard-heartedly
• hard-heartedness
• hard hit
• hard-hit
• hard-hitting
• hard house
• hardier
• hardiest
• hardihead
• hardiheads
• hardihood
• hardihoods
• hardily
• hardiment
• hardiments
• hardiness
• hardinesses
• hardish
• hard labour
• hard landing
• hard landings
• hard launch
• hard launches
• hard left