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The Collaborative International Dictionary
rhob

Rob \Rob\, n. [F.; cf. Sp. rob, It. rob, robbo, Pg. robe, arrobe, Ar. rubb, robb, Per. rub.] The inspissated juice of ripe fruit, obtained by evaporation of the juice over a fire till it acquires the consistence of a sirup. It is sometimes mixed with honey or sugar. [Written also rhob, and rohob.]

Wikipedia
RHOB

Ras homolog gene family, member B, also known as RHOB, is a protein which in humans is encoded by the RHOB gene.

RHOB is a member of the Rho GTP-binding protein family.