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orth(o)-

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orth(o)-

word element. [Gr.] straight, normal, correct. In chemistry, ortho- indicates an isomer; also, a cyclic derivative having two substitutes in adjacent positions.

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orphan virus
orphenadrine
orphenadrine citrate
orpiment
Orpington
ORS
ORT

orth(o)-
orthergasia
orthesis
orthetics
ortho
ortho para'DDD
ortho-
ortho-aminophenol

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