Definition of first law
- He teaches his students that balance is the first law of architecture.
: preceding all others in time, order, or importance: such as
: being the lowest forward gear or speed of a motor vehicle
: before another in time, space, or importance
: in the first place
: for the first time
: one that is number one in a series — see Table of Numbers
: something that is first: such as
: the first occurrence or item of a kind
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