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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 ?
Cash costs per payable silver ounce, net of by-product credits, were approximately $26.
The ADIP content, a lower digestible protein fraction, was relatively higher in black tea by-product than the green one.
Contract notice: Pszenmix - a by-product from the processing of wheat on isoglucose.
Based in Selva, Norway, Biokraft Marin is a subsidiary of Biokraft AS that collects, stores and processes category-2 fish 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.
The scientists have used sulphur - a by-product of the oil industry - fly ash - a by-product from the cement industry - and sand from the abundant sand dunes and stone quarries in the UAE.
The deal is expected to include the capture of natural gas released as a by-product of crude oil extraction, an Oil Ministry official said.