trochoid
/ˈtroʊkɔɪd/
noun
- A curve traced by a point on a circle as the circle rolls along a straight line.
- The mathematician drew a trochoid on the chalkboard to explain the motion of a rolling wheel.
- In geometry class, we learned that a trochoid can be elongated or shortened depending on the point's position.
- Engineers use a trochoid to model the path of a point on a bicycle tire.
adjective
- Relating to or resembling a trochoid curve.
- The trochoid motion of the pendulum was studied in physics lab.
- The trochoid shape of the gear teeth helped the machine run smoothly.
- The artist created a trochoid pattern by rolling a coin along a ruler.