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oleograph
oleomargarine
oleoresin
oleum
olfaction
olfactometer
olfactory
olfactory bulb
olibanum
oligarch
oligarchy
oligo-
Oligocene
oligochaete
oligoclase
oligomenorrhea
oligomer
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olibanum

ol·i·ba·num [ o líbbənəm ]


noun 
Definition:
 
chemistry 
Same as  frankincense


[14th century. Via medieval Latin olibanum and Greek libanos< Arabic al-lubān "storax"]
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