Similar words: robert koch, KOC, leukocyte, leukocytic, leukocytosis, och, ocher, loch. Meaning: n. German bacteriologist who isolated the anthrax bacillus and the tubercle bacillus and the cholera bacillus (1843-1910).
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61 Robert Koch dries films of bacteria, stains them with methylene blue and then photographs them. He uses cover slips to prepare permanent visual records.
62 The singer Koch gave me a piece of vesuvianite from her hometown as a farewell gift. She burned her foot when she was looking for this 5kg stone.