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Pm. In DICTIOUS you will not only get to know all the dictionary meanings for the word
Pm, but we will also tell you about its etymology, its characteristics and you will know how to say
Pm in singular and plural. Everything you need to know about the word
Pm you have here. The definition of the word
Pm will help you to be more precise and correct when speaking or writing your texts. Knowing the definition of
Pm, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
Translingual
Symbol
Pm
- (chemistry) promethium.
- (metrology) Symbol for petameter (petametre), an SI unit of length equal to 1015 meters (metres).