1a place, person, or thing from which something originates or can be obtained:mackerel is a good source of fish oil
a spring or fountain head from which a river or stream issues:the source of the Nile
a person who provides information:military sources announced a reduction in strategic nuclear weapons
a book or document used to provide evidence in research:a historian will need to use both primary and secondary sources
2 technical a body or process by which energy or a particular component enters a system:major sources and sinks exist for atmospheric oxygenThe opposite of sink2.
Electronics a part of a field-effect transistor from which carriers flow into the inter-electrode channel.
ზმნა
Universal
obtain from a particular source:each type of coffee is sourced from one country
find out where (something) can be obtained:she was called upon to source a supply of carpet
at source
at the point of origin or issue:reduction of pollution at source
used to show that a sum is deducted from earnings or other payments before they are made:your pension contribution will be deducted at source