# rectilineal

Adjective

- Alternative form of
*rectilinear*.

- " a triangle is a three-sided
**rectilineal**figure." - A triangle is a
**rectilineal**figure; i.e. - Quadrilaterals, hexagons, &c., all of which are
**rectilineal**figures, a triangle is "differentiated" as having three sides. - Since the area of a circle equals that of the
**rectilineal**triangle whose base has the same length as the circumference and whose altitude equals the radius (Archimedes, KIKXou A ir, prop.i), it follows that, if a straight line could be drawn equal in length to the circumference, the required square could be found by an ordinary Euclidean construction; also, it is evident that, conversely, if a square equal in area to the circle could be obtained it would be possible to draw a straight line equal to the circumference. - Wood potentially a table; primary, as an indeterminate something which is a substratum capable of becoming natural substances, of which it is always one; and it is primarily the matter of earth, water, air, fire, the four simple bodies (airxa 6w,uara) with natural
**rectilineal**motions in the terrestrial world (De Gen.

» more...

- rectilineal
- rectilineally
- rectilinear
- rectilinearity

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