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Pronunciation varies by accent · noun
Something made incidentally during the production of something else..
It was about this time that the first experiments were made (in Germany) with basic slag, a material which had hitherto been regarded as a worthless by-product of steel manufacture. A year or two later field trials were begun in England, with the final result that basic slag has become recognized as a valuable source of phosphorus for growing crops, and is now in constant demand for application to the soil as a fertilizer.
The many Indian restaurants all over Britain are a by-product of the large waves of immigration from the subcontinent.
One of the most obvious results of the B.R. Modernisation Plan has been the increasing use of diesel and electric traction; a less obvious by-product is the increase in track damage possible with the new forms of traction.
Use by-product when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
By-product means Something made incidentally during the production of something else..
Common synonyms include spin-off.
The opposite depends on the specific sense.
It was about this time that the first experiments were made (in Germany) with basic slag, a material which had hitherto been regarded as a worthless by-product of steel manufacture. A year or two later field trials were begun in England, with the final result that basic slag has become recognized as a valuable source of phosphorus for growing crops, and is now in constant demand for application to the soil as a fertilizer.
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