counterbored
simple past tense and past participle of counterbore
Source: Wiktionary
Coun"ter*bore` (-br`), n.
1. A flat-bottomed cylindrical enlargement of the mouth of a hole, usually of slight depth, as for receiving a cylindrical screw head.
2. A kind of pin drill with the cutting edge or edges normal to the axis; -- used for enlarging a hole, or for forming a flat-bottomed recess at its mouth.
Coun`ter*bore" (koun`tr-br"), v. t.
Definition: To form a counterbore in, by boring, turning, or drilling; to enlarge, as a hole, by means of a counterbore.
Source: Webster’s Unabridged Dictionary 1913 Edition
18 September 2024
(noun) a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust
According to Guinness World Records, the most massive cup of coffee contained 22,739.14 liters and was created by AlcaldĂa Municipal de Chinchiná (Colombia) at Parque de BolĂvar, Chinchiná, Caldas, Colombia, on 15 June 2019. Fifty people worked for more than a month to build this giant cup. The drink prepared was Arabic coffee.
