# Mathematics Dictionary : Letter K

Math: the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically.
Also, mathematical procedures, operations, or properties.

## Dictionary : Letter k

Kilo-
A prefix meaning one thousand (1,000 or 103)

Kilogram
A Metric measure of mass (which we feel as weight).

Kilolitre | Kiloliter
A Metric measure of volume. Equal to 1,000 liters.

Kilometre | Kilometer
A Metric measure of distance. Equal to 1,000 meters.

Kite
A flat shape with 4 straight sides that:
• has two pairs of sides.
• each pair is made of two adjacent sides (they meet) that are equal in length.
Also, the angles are equal where the pairs meet.
The dashed lines are diagonals, which meet at a right angle. And one of the diagonals bisects (cuts equally in half) the other.

km/h
An abbreviation of “kilometers per hour”, a metric measure of speed.

Knot
A unit of speed equal to one nautical mile per hour, or 1.151 mph (approximately), or 1.852 km/h (exactly).