write down
noun(write-down)
a deliberate reduction in the book value of an asset (as to reflect the effect of obsolescence)
write down
verb(write-down)
to record in written form
write down
verb(write-down)
to depreciate, disparage, or injure by writing
write down
verb(write-down)
to reduce in status, rank, or value; especially : to reduce the book value of