prep. = *on. [from up on]

n. Language related to hindi but with many persian words, used esp. In pakistan. [hindustani]

n. Soluble nitrogenous compound contained esp. In urine. [french uree from greek ouron urine]

—v. (-ging) 1 (often foll. By on) drive forcibly; hasten.

- encourage or entreat earnestly or persistently.

- (often foll. By on, upon) advocate (an action or argument etc.) Emphatically (to a person). —n. - urging impulse or tendency.

- strong desire. [latin urgeo]

acid n. Constituent of urine.

- adj. Of urine. [french urique: related to *urine]

major n. = great bear (see *bear2). [latin]

- minor n. = little bear (see *bear2). [latin]

abbr. United states air force.

n. Person who uses a thing.

abbr. Hist. Union of soviet socialist republics.

abbr. Unplasticized polyvinyl chloride.