bilinear /bī-linˈi-ər/

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

• fat-free
• fathead
• fat-headed
• fatheads
• fat hen
• fat hens
• father
• father and mother
• Father Christmas
• Father Christmases
• fathered
• father figure
• father figures
• fatherhood
• fatherhoods
• fathering
• father-in-law
• fatherland
• fatherlands
• father-lasher
• father-lashers
• fatherless
• fatherlessness
• fatherlessnesses
• fatherlike