basis noun
1 starting point
ADJ. firm, solid, sound
VERB + BASIS form, provide
PREP. ~ for The proposal provides a sound basis for a book.
PHRASES have no basis in sth These allegations have no basis in fact.
2 principle/reason
ADJ. whole
PREP. on the ~ of We made our decision on the basis of the information we had. | ~ for The whole basis for your argument is false.
3 way sth is done/organized
ADJ. regular | daily, monthly, weekly, etc. Staff are employed on a monthly basis. | permanent, temporary | casual, part-time, voluntary | commercial
PREP. on a … ~
You can also check other dicts: basis (English, 中文解释 ), wordnet sense, Collins Definition