spherometer

A measuring instrument used to determine the curvature or radius of a spherical surface.

• 🇫🇷Instrument de mesure utilisé pour déterminer la courbure ou le rayon d'une surface sphérique.

1. Measuring instrument for curvature C2 formal scientific

   A precision instrument used to measure the radius of curvature of a spherical surface, such as a lens or mirror.

   • The optician used a spherometer to check the curvature of the eyeglass lens.
   • In the physics lab, students learned how to read a spherometer to determine the radius of a convex surface.
   • A spherometer typically has three fixed legs and a central, movable screw for precise measurement.

   🇫🇷sphéromètre

• spherometers plural form
• spherometers' possessive plural form
• spherometer's possessive singular form