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or by-prod·uct  (bī′prŏd′əkt)
1. Something produced in the making of something else.
2. A secondary result; a side effect.


1. a secondary or incidental product of a manufacturing process
2. a side effect


1. a secondary or incidental product, as in a process of manufacture.
2. the result of another action.


Something produced in the process of making something else. For example, when plants produce carbohydrates by photosynthesis, oxygen is released as a by-product: Asphalt and paraffin are by-products of the process of refining crude oil into gasoline.
ThesaurusAntonymsRelated WordsSynonymsLegend: - a secondary and sometimes unexpected consequence
consequence, effect, result, upshot, outcome, event, issue - a phenomenon that follows and is caused by some previous phenomenon; "the magnetic effect was greater when the rod was lengthwise"; "his decision had depressing consequences for business"; "he acted very wise after the event"
epiphenomenon - a secondary phenomenon that is a by-product of another phenomenon - a product made during the manufacture of something else
product, production - an artifact that has been created by someone or some process; "they improve their product every year"; "they export most of their agricultural production"


[ˈbaɪˌprɒdəkt] N (Chem etc) → subproducto m, derivado m (fig) → consecuencia f, resultado m


[ˈbaɪˌprɒdʌkt] n (Chem) → sottoprodotto (fig) → conseguenza


(bai) preposition
1. next to; near; at the side of. by the door; He sat by his sister.
2. past. going by the house.
3. through; along; across. We came by the main road.
4. used (in the passive voice) to show the person or thing which performs an action. struck by a stone.
5. using. He's going to contact us by letter; We travelled by train.
6. from; through the means of. I met her by chance; by post.
7. (of time) not later than. by 6 o'clock.
8. during the time of.
9. to the extent of. taller by ten centimetres.
10. used to give measurements etc. 4 metres by 2 metres.
11. in quantities of. fruit sold by the kilo.
12. in respect of. a teacher by profession.
1. near. They stood by and watched.
2. past. A dog ran by.
3. aside; away. money put by for an emergency.
ˈbygones: let bygones be bygones
to forgive and forget past causes of ill-feeling.
ˈbypass noun
a road which avoids an obstruction or a busy area. Take the bypass round the city.
to avoid (a place) by taking such a road.
ˈby-product noun
something obtained or formed during the making of something else. Coal tar is a by-product of the process of obtaining gas from coal.
ˈbystander noun
a person who watches but does not take part.
by and by
after a short time. By and by, everyone went home.
by and large
mostly; all things considered. Things are going quite well, by and large.
by oneself
1. alone. He was standing by himself at the bus-stop.
2. without anyone else's help. He did the job (all) by himself.
by the way
incidentally. By the way, have you a moment to spare?

by is used for forms of transport: by train ; by aeroplane ; by land ; by sea


n. subproducto.
References in periodicals archive ?
From this information, the present study aimed to evaluate the inclusion of increasing levels of fish by-product meal in the diet of commercial laying hens on performance, egg quality and economic analysis.
While the increase of cost of sales over last year reflected the higher throughput from the Casa Berardi open pit operations, our cash cost, after by-product credits, declined 73% to $0.
Industrial gases company Praxair (NYSE:PX) revealed on Tuesday the launch of an agreement to acquire by-product carbon dioxide from US Nitrogen LLC, a subsidiary of Austin Powder Company.
Summary: A leak of a by-product of ammonia was detected in an ice factory in the Complementary Industry Sector in Brasilia
The ADIP content, a lower digestible protein fraction, was relatively higher in black tea by-product than the green one.
Clicks are a by-product, not the point, but the perverse incentives of large advertising budgets have created a web that is optimised for the by-product.
I think that's just a by-product of being curvy," the Telegraph quoted her as telling the Daily Mirror.
the largest independent power producer in Korea, for two sets of gas turbine combined-cycle (GTCC) power generation plant equipment to fire by-product gases at POSCO's Pohang Works.
JWQ said it would not be able to offer by-product - smaller stones extracted as a by-product of quarrying which can be cut into paving flags and kerbs.
Sir, The BRC has succeeded in lobbying the ED to change the animal by-product regulations so retailers can dispose of low-risk material through less specialist channels.
By-product synergy solutions offer the possibility of recapturing this lost value by identifying new uses for these cast-off resources, potentially resulting in savings "in the six-figure range or more" (Gromacki 2009, 50) and offering obvious environmental benefits.
The new Ontario facility will help us continue being the Canadian industrial leader in food by-product collection and recovery and, to develop agricultural by-product into biomass for the production of energy", commented Sylvain Brasseur, President and CEO of Farines SPB Meal Ltd.