roundel
round-end
rounder
round-flange
round-head
round-hole
rounding
rounding-and-chamfering
rounding-off
rounding-out
  roundness
roundness-checking
round-nose
round-nosed
roundoff
round-over
round-section
roundstock
round-the-clock
rout
routcard

    roundness chart

    круглограмма, диаграмма контроля круглости (обработанной детали)