(dated) A chemical element, supposed to be the then-undiscovered technetium, but later identified as rhenium.

simple past tense and past participle of begall

(British) A grade of pencil with lead that makes lighter marks than a pencil grade 4H but darker marks than a pencil of grade 6H; a pencil with very hard lead. / A pencil of the grade 5H.

A river in Kent, England, which flows into the Thames.