On-account meaning

We're already late getting started on account of him and the saddle bum will probably use up another half-hour of daylight eating our food.

But on account of experimental errors in weighing and measuring, and through loss of material in the transfer of substances from one vessel to another, such analyses are rarely trustworthy to more than one part in about Soo; so that small changes in weight consequent on the chemical change could not with certainty be proved or disproved.

Albuera is celebrated on account of the victory gained there on the 16th of May 1811 by the British, Portuguese and Spaniards, under Marshal Beresford, over the French army commanded by Marshal Soult.

The specific name was given on account of the extraordinary swiftness of the animal.

The plague of 1665, carried hither from London, almost depopulated this village, and the name of the rector, William Mompesson, attracted wide notice on account of his brave attempts to combat the outbreak.