multiply
v.v. to increase a number by a specific amount of times. You also use it to describe when animals or plants produce many young ones quickly.
v. to calculate the product of two or more numbers; to increase significantly in number or quantity through reproduction or rapid growth.
If you multiply five by three, you get fifteen.
The bacteria began to multiply rapidly once the temperature in the lab reached thirty degrees.
Economists warn that while the initial costs are low, the long-term interest payments will multiply the total debt until it becomes unsustainable for the average household.
From Old French multiplier, from Latin multiplicō, from multi (“many”) + plicō (“to fold”). The noun presumably derives from the verb.
From multiple + -ly.
The verb is transitive when used in mathematics, typically taking the preposition 'by'. It is often intransitive when referring to biological reproduction or general increases.
multiply five with threemultiply five by threeIn mathematical contexts, the verb 'multiply' typically pairs with the preposition 'by' rather than 'with'.