multiply (multiplies 3rd person present) (multiplying present participle) (multiplied past tense & past participle )
1 verb When something multiplies or when you multiply it, it increases greatly in number or amount.
Such disputes multiplied in the eighteenth and nineteenth centuries... V
Her husband multiplied his demands on her time. V n
2 verb When animals and insects multiply, they increase in number by giving birth to large numbers of young.
These creatures can multiply quickly. V
3 verb If you multiply one number by another, you add the first number to itself as many times as is indicated by the second number. For example 2 multiplied by 3 is equal to 6.
What do you get if you multiply six by nine? V n by n
...the remarkable ability to multiply huge numbers correctly without pen or paper. V pl-n