phthiocol

[thahy-uh-kawl, -kol]

noun Biochemistry.

a yellow crystalline substance, C₁₁H₈O₃, produced by the human tubercle bacillus, Mycobacterium tuberculosis, having antibiotic and blood-clotting properties.

Origin:
1930–35; phthi(sis) + -o- + intrusive -c- + -ol¹

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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Phthiocol is always a great word to know.

So is tantalum. Does it mean:

Symbol: Br; atomic weight: 79.904; atomic number: 35

Symbol: Ta; atomic weight: 180.948; atomic number: 73

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phthiocol

phthi·o·col