center

Definition

The point in the interior of a circle that is equidistant from all points on the circumference.

Etymology

From Middle English center, centre, from Middle French centre, from Latin centrum, from Ancient Greek κέντρον (kéntron), from κεντεῖν (kenteîn, “to prick, goad”). Doublet of centrum. * (group theory): In the notation Z(G), the letter Z derives from the German Zentrum (“center”).

Example Sentences

• "If a point be taken within a circle, and more than two equal straight lines fall from the point on the circle, the point taken is the centre of the circle."
• "Japanese scientists are to explore the centre of the Earth. Using a giant drill ship launched next month, the researchers aim to be the first to punch a hole through the rocky crust that covers our planet and to reach the mantle below."
• "[...] their portion set As far remov'd from God and light of Heav'n As from the Center thrice to th'utmost Pole."