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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 ?
Litter: 100% biodegradable, no (chemical) additions, 95% of material is waste/or side product of other processes.
If this is a side product of computer technology, I thank God for my disinterest and pray none of the regular correspondents are ever elected to any office of significance.
100G line side product adoption is being accelerated by demands to interconnect large data centers, like those at Google and Facebook.
Compact construction with side product transfers enables the unit to be installed next to existing production lines reducing installation downtime and costs.