countersink1
زبان مبدأ: انگلیسی
ترجمه به فارسی
- واژهنامه · Merriam-Webster Collegiate Dictionary 1 coun·ter·sink Pronunciation: ' kau ̇ n-tər- ˌ siŋk Function: transitive verb Inflected Form:   -sunk \- ˌ səŋk\ ; -sink·ing Date: 1816 1 : to make a countersink on (a hole) 2 : to set the head of (as a screw) at or below the surface]]> 2 countersink v. Function: noun Date: 1816 1 : a bit or drill for making a funnel-shaped enlargement at the outer end of a drilled hole 2 : the enlargement made by a countersink countersink 1]]>