bilinear /bī-linˈi-ər/

1. Of or involving two lines
2. (of a mathematical expression) containing two variables, each of which is linear

• suppertime
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• supplant
• supplantation
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• supplanter
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• supplejack
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• supplement
• supplemental
• supplementally
• supplementarily
• supplementary
• supplementary angle
• supplementary angles
• supplementary benefit