What is GD&T?
Geometric Dimensioning and Tolerancing. Symbol language on drawings that defines allowable shape and position.
flat to 0.1 · holes in position
GD&T symbols on a drawing define…
Write it in your own words in the app.
In real work
GD&T on this hull plate: flatness controls the skin, position controls the sonar mount holes.
In the illustration
The dial indicator sweeps the plate's top face and its needle stays inside the 0.1 mm flatness band (shape); then a four-pin gauge drops cleanly into the mount holes (position).
Read the drawing in your shop-floor software and list every GD&T callout on the bracket: the symbol, the tolerance, and the datum it references.
Try it now
The fastest way to learn a word is to use it. Open this line in the agent you already work in and watch what it does. Change the tool to the one you use.
Go further
01Practice
Make it stick
One term a day, a short quiz, and sentence practice that checks your own words.
02Verify
Prove you know it
Pass the quiz and keep it in a Skills Wallet you can share with anyone who needs proof.
03Career
Find the work that uses it
See which roles lean on this vocabulary, and what they pay in year one.
Learn the next term tomorrow.
Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews. Then it quizzes you until the word sticks. One term a day on iPhone.
