1. Something produced by human or mechanical effort or by a natural process.
2. A direct result; a consequence: "Is history the product of impersonal social and economic forces?" (Anthony Lewis).
3. Chemistry. A substance resulting from a chemical reaction.
4. Mathematics.
   1. The number or quantity obtained by multiplying two or more numbers together.
   2. A scalar product.
   3. A vector product.

[Middle English, result of multiplication, produced, from Medieval Latin prōductum, result of multiplication, from neuter past participle of Latin prōdūcere, to bring forth. See produce.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.