The term "mil" can have different meanings depending on the context, as it is used in various fields:
Military Mil: In a military context, "mil" often refers to a milliradian, which is a unit of angular measurement used for estimating distances or sizes of objects. One milliradian is equal to 1/1,000th of a radian, and it is often used in marksmanship and artillery to make precise aiming adjustments. It is symbolized as "mil" or "mrad."
Thousandth of an Inch: In manufacturing and engineering, particularly in the United States, a "mil" can refer to one thousandth of an inch. This is a unit used to measure very small dimensions, such as the thickness of materials like plastic sheets or metal foils. It is often represented as "mil" or "mils."
Currency: In some countries, the term "mil" can also be used colloquially to refer to a unit of currency, where it represents one-thousandth of the currency's primary unit. For example, in Israel, a "mil" is one-thousandth of an Israeli new shekel (NIS).
The meaning of "mil" should be determined based on the specific context in which it is used, as it can vary widely across different fields and regions.
A "ken" is not a widely recognized unit of measurement in modern systems. However, the term "ken" is more commonly used as a noun or verb in English and has a different meaning.
As a noun, "ken" refers to one's range of sight, perception, or understanding. For example, you might say, "Beyond my ken," to mean something is beyond your understanding or knowledge.
As a verb, "ken" means to understand, perceive, or know. For instance, you might use it in a sentence like, "I cannot ken the complexity of this issue."
In these contexts, "ken" is used to describe one's ability to perceive or comprehend something, rather than a unit of measurement. If you have a specific context in which "ken" is being used as a unit of measurement, please provide more details, and I'll do my best to assist you further.