breadboard

[bred-bawrd, -bohrd]
noun
1.
a slab of wood on which dough is kneaded and bread is sliced.
2.
Electronics. a circuit assembled on an insulating surface, often with solderless contacts, in which components can easily be replaced for circuit alteration and experimentation.
verb (used with object)
3.
Electronics. to construct (an experimental circuit) for the purpose of feasibility tests.

Origin:
1855–60; bread + board

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
breadboard (ˈbrɛdˌbɔːd)
 
n
1.  a wooden board on which dough is kneaded or bread is sliced
2.  an experimental arrangement of electronic circuits giving access to components so that modifications can be carried out easily

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
The breadboard model of the isothermal converter is created and works, but the idea is not supported by the officials.
Fidelity of breadboard technology increases significantly.
Some concepts are in the breadboard stage while other storage systems are in a lab prototype phase.
Component and/or breadboard validation in relevant environment.
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