Definition of perspective for Students. 1  1 : the angle or direction in which a person looks at an object. 2  2 : point of view. 3  3 : the ability to understand what is important and what isn't I know you're disappointed, but keep your perspective.  4 : an accurate rating of what is important and what isn't Let's keep things in perspective.
This article is about the unit of length. For other uses of metre or meter, see meter (disambiguation). The metre, or meter (American spelling), (from the Greek noun Î¼Î­ÏÏÎ¿Î½, measure) is the base unit of length in the International System of Units (SI). The SI unit symbol is m. The metre is defined as the distance travelled by light in a vacuum in 1299 792 458 seconds.
Decimeter is a metric length unit and equals to one tenth of a meter. It is spelled as decimetre in europe. The abbreviation is dm. For other length unit conversions, please go to Length Conversion. Decimeter = 0.1 Meter. Meter is a metric system base length unit and defined as the length of the path travelled by light in vacuum during a time interval of 1/299,792,458 of a second. It is spelled as metre in europe and also commonly mistaken for the device meter. It equals to 3.2808399 feet, 39.3700787 inches.