droppage

[ drop-ij ]
/ ˈdrɒp ɪdʒ /

noun

an amount dropped or wasted during application, installation, etc.: Mix some extra plaster to allow for droppage.
the amount of fruit that falls from a tree before ripening: Storms greatly increased the droppage of oranges this year.
the act or an instance of dropping: glassware that is not insured against droppage.

Origin of droppage

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019