To remove, individual, or remove in numbering, calculating, or calculating; subtract, as a counterbalancing product or specific: because, to deduct losses from the total receipts; from the amount of profits deduct the freight-charges.
Synonyms Deduct, Subtract. These terms cannot precisely be used interchangeably. Deduct would be to lead away, set-aside, in a general or distributive feeling; subtract, to attract off, remove, in a literal or collective feeling. In settling a mercantile account, specific products, as charges, losings, etc., tend to be subtracted when you're added together and their particular total subtracted through the grand total for the transaction. From a parcel of products of known value or number articles tend to be subtracted or literally recinded as required; the worth or wide range of the rest whenever you want may be ascertained by deducting the value or quantity of those taken from the initial bundle; and this once more is effected by subtracting the numbers representing small amount from those representing the bigger.