unitless
Adjective
Meaning
unitless (not comparable)
(physics) Having no units of measurement; such as a ratio or percentage of two numbers which have the same units.
Synonyms
Anagrams
Examples
As such, specific gravity is a unitless value.
Defined as the quotient of the mass of the sample and difference between the weight of the sample in air and its corresponding weight in water, specific gravity is a unitless ratio.
In many cases the property of the output that varies is dependent on the same property of the input, making the gain unitless (though often expressed in decibels (dB)).
It is a tool for measuring the responsiveness of a variable, or of the function that determines it, to changes in causative variables in unitless ways.
The special function is defined in the exponential integral article, and the unitless quantity is : is a maximum or cutoff wavenumber, arising due to binary collisions, and can vary with ion species.