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In some senses, brainchild is marked as informal, rare. Watch for register when choosing this word.
brainchild
UK /ˈbɹeɪnt͡ʃaɪld/ US /ˈbɹeɪnˌt͡ʃaɪld/
noun 1verb 1
Definitions
noun
1
A creation of one's brain; an original idea or innovation of a person or group of people, an organization, etc.
The entire project was the brainchild of a small group of visionaries.
A brayne-child o' mine ovvne! and I am proud on't!
verb
1
To think up (an idea or innovation); to come up with.
John Law brainchilded the establishment of a national bank to expedite and secure the creation of credit.
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