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oligonucleotide
oligonucleotide primer
oligopeptide
oligophagous
oligopoly
oligopsony
oligosaccharide
oligotrophic
olingo
olio
olive
olive branch
olive drab
olive green
olive oil
olive ridley
olivenite
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oligarch

ol·i·garch [ ólli grk ] (plural ol·i·garchs)


noun 
Definition:
 
member of oligarchy: a ruler or leader in an oligarchy

[Early 17th century. < Greek oligarkhēs< oligos "few" + -arch]
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