Dosing generally applies to feeding chemicals or medicines in small quantities into a process fluid or to a living being at intervals or to atmosphere at intervals to give sufficient time for the chemical or medicine to react or show the results. This word dosing as per the dictionary is the verb format for the word dose which is a noun. In the case of human beings or animals (i.e. living beings) the word dose is generally used but in the case of inanimate objects the word dosing is being used. This is only in practice.