| 释义 |
ream·er
I. \ˈrēmə(r)\ noun
(-s)
Etymology: ream (V) + -er
: one that reams: as
a.
(1) : a rotating finishing tool with straight or spiral cutting edges used to enlarge or shape a hole
(2) : a drilling tool for enlarging a bored well or for making the borehole circular when the drill has failed to do so
(3) : a chisel for cutting two V-shaped grooves from a round blasthole in the line of the desired rift
(4) : an instrument used in dentistry to enlarge a hole in a tooth preparatory to filling the hole
b. : a fruit squeezer with a ridged and pointed dome projecting from the hollowed center of a plate
c. : a worker who enlarges or shapes holes or smooths a bore with a reamer
II. transitive verb
(-ed/-ing/-s)
: to use a reamer on |