lactic

Everyday

1. Lactic means to do with milk. tree →
2. Lactic acid is a substance made when milk goes sour and also made in your muscles during hard exercise. tree →

In the lessons

In science and PE, lactic acid is linked with tired, burning muscles after sprinting. Bacteria turn milk into yogurt by making lactic acid. «Lactose» is the sugar in milk; people who cannot digest it are «lactose intolerant».

Examples

• Lactic acid makes yogurt taste sour. tree →
• My legs burned from lactic acid after the race. tree →
• Bacteria make lactic acid in milk. tree →
• The coach said a cool-down helps your muscles recover. tree →
• Lactic means «from milk». tree →
• Sauerkraut is made sour by lactic bacteria. tree →

Note

Mainly used in «lactic acid». Myth: lactic acid causes muscle soreness the next day — scientists now think next-day soreness is mostly from tiny muscle damage. Do not confuse with «lactose».