Sanakirja.org

Määritelmät

Substantiivit

1. One of the four sections made by dividing an area with two perpendicular lines.
2. (mathematics) The four regions of the Cartesian plane bounded by the x-axis and y-axis.
3. (geometry) One fourth of a circle or disc; a sector with an angle of 90°.
4. (nautical) A measuring device with a graduated arc of 90° used in locating an altitude.