bilinear /bī-linˈi-ər/

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

• slippiest
• slippiness
• slippinesses
• slipping
• slippy
• spiritoso
• spiritous
• spiritousness
• spiritousnesses
• spirit photography
• spirit rallies
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• spirit rapper
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• spirit-rapping
• spirits
• spirits of ammonia
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• spirits of wine
• spirit-stirring
• spiritual
• spiritual healing
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• spiritualise
• spiritualised