lineal
— Adjective
– English
~ in a straight unbroken line of descent from parent to child; "lineal ancestors"; "lineal heirs"; "a direct descendant of the king"; "direct heredity"
lineally
— Adverb
– English
~ by an unbroken line of descent; "she is related lineally to the Royal Family"
lineament
— Noun
– English
~ a characteristic property that defines the apparent individual nature of something; "each town has a quality all its own"; "the radical character of our demands"
lineament
— Noun
– English
~ the characteristic parts of a person's face: eyes and nose and mouth and chin; "an expression of pleasure crossed his features"; "his lineaments were very regular"
linear accelerator
— Noun
– English
~ ions are accelerated along a linear path by voltage differences on electrodes along the path