pravilen
1. pravilen
(of solids) having clear dimensions that can be measured; volume can be determined with a suitable geometric formula [(o telesih) imajo jasne dimenzije, ki jih je mogoče meriti; volumen je mogoče določiti s primerno geometrijsko formulo.]
2. pravilen, točen
conforming exactly or almost exactly to fact or to a standard or performing with total accuracy [popolnoma ali skoraj popolnoma ustrezen dejstvom, standardom ali pri natančnosti izvedbe]
3. pravilen, pravi
free from error; especially conforming to fact or truth [brez napak; posebej se ujemanje z dejstvi ali resnico]
4. pravilen, pravi
correct in opinion or judgment [pravilen v mnenju ali sodbi]