Semidiameter

Definition:

• (n.) Half of a diameter; a right line, or the length of a right line, drawn from the center of a circle, a sphere, or other curved figure, to its circumference or periphery; a radius.

Compare semidiameter with other words:

half vs. semidiameter

earth vs. semidiameter

semidiameter vs. star

diameter vs. semidiameter

radius vs. semidiameter