Meaning of ALLOWABLE in English

I. əˈlau̇əbəl adjective

Etymology: Middle English, from Middle French allouable, from allouer to approve + -able

1. obsolete : worthy of praise : laudable

2. : permissible : not forbidden : not unlawful or improper

the allowable rate of continuous descent of commercial airliners — H.G.Armstrong

allowable income tax deductions

a degree of freedom allowable among friends

• al·low·a·ble·ness noun -es

II. noun

( -s )

: the amount of oil that an oil-well operator is permitted by law to take from a given well in any one day

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.