Kepler-186f is about 11 percent larger than Earth in diameter, which means it has nearly 25% more surface area.
An array of whittled bamboo sticks, each four millimeters in diameter, makes up the two-room installation.
The doctors discovered the entry wound into the frontal lobe with a diameter about equal to that of a cigarette.
Using a 2-inch (5cm) diameter ring cutter, cut the scallops into straight cylinders; reserve the trim.
Pi is officially defined as the ratio of the circumference of a circle to its diameter.
Lay a young birch or maple an inch or so in diameter across a log.
He employed a cylinder 12 centimeters in diameter fitted with a piston.
This island is very small, not above half a league in diameter.
The clearing was a circle some two hundred yards in diameter.
The boom should be made a trifle smaller in diameter than the mast.
diameter di·am·e·ter (dī-ām'ĭ-tər)
n.
A straight line connecting two opposite points on the surface of a spherical or cylindrical body, or at the boundary of an opening or foramen, passing through the center of such body or opening.
The distance measured along such a line.
A straight line passing through the center of a figure, especially a circle or sphere, and joining two opposite points on its circumference.