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Use "tweeners" in a sentence
"Jobs defended the rationale of the 10 inch iPad screen based on Apple's years of consumer research and experience with touch screens, and labeled the 7 inch screens coming out as "tweeners" -- between a smartphone and an iPad."
"Four-three [front] teams will call them 'tweeners' - not sure if they're linebackers or safeties."
""tweeners" -- who are at the heart of a multifront defense that is hard to decipher and harder to block."