Englishfor English speakers
sodium
Noun
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A metal and element with the atomic number 11 and the symbol Na. Also used as a nutrient, preservative, and seasoning in food.
It is pretty hard to find an item of food that doesn't contain sodium in it.
Scientists sometimes use sodium in experiments to see what it reacts with.
Many of the top food brands use a kind of sodium to preserve the food that they make for people to eat..
penicillin
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noun
any of various antibiotics obtained from Penicillium molds (or produced synthetically) and used in the treatment of various infections and diseases