Examlex
What is the term for the smallest representative particle in a compound composed of molecules?
Motion
The change in position of an object with respect to time and its reference point.
Pupil
Adjustable opening that allows light into a camera eye.
Opening
Creating a gap or space, providing access or an entrance to something.
Center
Often used in various contexts to denote the middle point of something; in geometry, it refers to the point equidistant from all points on the circumference of a circle or surface of a sphere.
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