basis
Definitions
The underlying support or foundation for an idea, system, or argument
基础，依据
A particular way or pattern in which something is done or arranged
方式，原则（on a ... basis）
Root Breakdown
Root-derivedThe Greek basis ('foundation') kept almost intact. Unlike the physical base, basis lives mostly in abstract phrases: the basis of a theory, no basis in fact, on a regular basis.
Root bas still carries 5 more wordsUsage Guide
Plural trap: the plural is bases /ˈbeɪsiːz/ — spelled the same as the plural of base, so context decides. Very common in fixed phrases: on a daily/regular/case-by-case basis; on the basis of (= because of, based on).
Example Sentences
- 1.
There is no scientific basis for that claim.
- 2.
We meet on a weekly basis to review progress.
- 3.
Decisions are made on the basis of evidence.
Easily Confused
basis vs base — base is the physical bottom (the base of a lamp, a military base); basis is the abstract foundation (the basis of an argument). Rule: concrete bottom → base; reason or grounding → basis.