to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution:
to apportion expenses among the three men.
Origin
1565-75; < Middle Frenchapportionner, equivalent to ap-ap-1 + portionner to portion
Related forms
apportionable, adjective
apportioner, noun
nonapportionable, adjective
unapportioned, adjective
Examples from the web for apportion
It is too soon to point fingers at individuals or apportion blame precisely.
Their report will no doubt apportion blame and recommend changes in maintenance procedures.
To apportion blame to one partner or another in this marriage is, as ought by now to be evident, pointless.
It is a complicated thing, they said, to apportion compensation in a bear market.
There was no federally engineered compensation fund, no blue-ribbon panel to apportion blame.
City officials are under legal mandates to provide housing, and officials say they have tried to apportion it fairly.
Of course, discount hurdles do not apportion costs among buyers with precision.
And to apportion proper credit for that, one has to peek behind the scenes.
He can intrude by asking to be told what no one will volunteer, or he can fairly apportion the wine.
How to measure that and apportion damages is for a jury to decide.
British Dictionary definitions for apportion
apportion
/əˈpɔːʃən/
verb
1.
(transitive) to divide, distribute, or assign appropriate shares of; allot proportionally: to apportion the blame
Derived Forms
apportionable, adjective apportioner, noun
Word Origin and History for apportion
v.
1570s, from Middle French apportionner, from Old French aporcioner "apportion, share out," from a- "to" (see ad-) + portioner "to divide into portions," from portion "share, portion" (see portion). Related: Apportioned; apportioning.