first-principles engineering

noun
UK /ˌfɜːst ˈprɪnsəpəlz ˌendʒɪˈnɪərɪŋ/
US /ˌfɜːrst ˈprɪnsəpəlz ˌendʒɪˈnɪrɪŋ/

A way of building things by starting from the most basic facts and figuring everything out yourself.

Using first-principles engineering, the team redesigned the battery from scratch instead of copying old designs.


OTHER MEANINGS

2. An engineering method that breaks a problem down to its most basic truths before building a solution.

First-principles engineering helped them cut costs by questioning every assumption about the motor.

3. A mindset of ignoring conventional designs and deriving new ones from fundamental science.

Her first-principles engineering mindset led to a completely new kind of wing shape.

4. The practice of solving technical problems by reasoning upward from basic laws rather than analogy.

The startup's success came from first-principles engineering rather than copying competitors.