a method of tending to or managing the affairs of a some group of people (especially the group's business affairs)
"The new manager took full disposal of the company's finances after the previous board stepped down."
the act or means of getting rid of something
"The company faced heavy fines for failing to follow proper disposal procedures when dumping toxic waste into the river."
a kitchen appliance for disposing of garbage
"After finishing dinner, I tossed the leftover apple cores into the disposal before turning on the faucet."
An arrangement, categorization or classification of things.
"The new filing system organizes all employee records by department for easier disposal."
In plain English: Disposal is the act of getting rid of something you no longer need or want.
"Please take out the trash when you have finished with your lunch."
Usage: In everyday usage, disposal refers to the act of throwing something away or getting rid of it, such as placing trash in a bin. Do not confuse this with the formal definition involving categorization, which rarely applies outside of specific technical contexts.
The word disposal comes from the verb dispose, which itself is borrowed from French and Latin roots meaning to set or place something. The suffix -al was added to form this noun, indicating the state of being arranged or put in a particular condition.