Sinclair
noun
1 Sinclair
United States writer whose novels argued for social reform (1878-1968).
synonyms: Upton Beall Sinclair, Upton Sinclair.
2 Sinclair
English electrical engineer who founded a company that introduced many innovative products (born in 1940).
synonyms: Clive Sinclair, Sir Clive Marles Sinclair.
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