(nautical) a round hardwood disk with holes and a grooved perimeter used to tighten a shroud
a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
Having equal perimeters of circumferences
The science of figures having equal perimeters or boundaries.
as, perimeter, the measure around
bed perimeter
[医] 床边视野计
dental perimeter
[医] 牙周计
free perimeter
[经] 免税地带, 免税区
isoperimeter
n. 等周图形(尤指等周几何图形)
perimeter arc
[医] 视野计弧
perimeter disturb test
[计] 周围干扰检查
perimeter function
[计] 周长函数
perimeters
n. 周边( perimeter的复数形式 ); 周围; 边缘; 周长
wetted perimeter
[化] 润湿周边