Micra

Micra may refer to several things. In the automotive world, Micra is a common name for the Nissan Micra, a supermini car produced by the Japanese manufacturer Nissan. It has been manufactured in various generations and markets worldwide, often known by different names such as the Nissan March in some regions.

The term "micra" can also be a prefix derived from the Greek word "mikros," meaning small. This prefix is used in various scientific and technical contexts to denote something of very small size. For example, in the International System of Units (SI), the prefix "micro-" represents a factor of 10 to the power of minus six (10^-6). This prefix is ubiquitous in fields like microscopy, where it refers to microscopic objects, or in measurements like micrometers or microliters.

Furthermore, "Micra" could potentially be a proper noun, such as a given name or a place name, though these are less common and would depend on specific context. Without further clarification, the most prevalent association for "Micra" is the Nissan automobile.