drill

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drill

 [dril]
instruction by repetition. a device for cutting a hole or shaping something.
bladder drill a technique of bladder training in which the patient is instructed to postpone voiding for an hour and a half, regardless of urgency or interim incontinence. The time interval between voiding episodes is increased in half-hour increments to a goal of two and a half to three hours.

drill

(dril),
1. To make a hole in bone or other hard substance.
2. An instrument for making or enlarging a hole in bone or in a tooth.
[Middle Dutch drillen, to bore]

drill

(drĭl)
n.
a. An implement with cutting edges or a pointed end for boring holes in hard materials, usually by a rotating abrasion or repeated blows; a bit.
b. The hand-operated or hand-powered holder for this implement.
c. A loud, harsh noise made by or as if by a powered tool of this kind.
v. drilled, drilling, drills

drill′er n.

drill

[dril]
Etymology: Dutch drillen, to bore
1 a rotating cutting instrument for making holes in hard substances, such as bones or teeth.
2 See burr.

drill

(dril)
1. To make a hole in bone or other hard substance.
2. An instrument for making or enlarging a hole in bone or in a tooth.

drill

1. one of the Old World monkeys; resembles the mandrill but has a black face. Called also Mandrillus leucophaeus.
2. in dentistry, a mechanical device used for removing tooth structure. See also bur.

Patient discussion about drill

Q. What do you do when one gets an Asthma attack? like what is the drill and what steps i need to do in order to help him ?

A. First thing to do before you have an attack is to find out what your triggers are like smoke,cats,dogs,food,dust--get yourself a pulmonary dr.He will take test to find out what is causing your attacks-also drugs an alcohol can have effect on asthma--if you already have this, try your inhalor first,if it is not helping go to the emergency room at your hosp--mrfoot56.

More discussions about drill
References in periodicals archive ?
According to Jung and Ke (2007), the straight flute design, such as that in gun drills, adds strength to the drill and reduces the distance the chip must travel to escape the bore, when compared to twist drills.
After the twist drills are grinded out with the designated different angles, the main drill point angles are measured for each twist drill as proposed by Kim and Zou [22]; the measurement values of the drill point angles are shown in Table 1.
Scott Allison, president of MTD Acquisitions, says his group intends to operate Minnesota Twist Drill and continue to serve its customers.
There is also the element that a twist drill has to push and cut through material over its entire diameter, i.
Step drill: Two or more diameters may be ground on a twist drill to produce a hole with stepped diameters.
Tenders are invited for 1) h s s hand hacksaw blade 2) special twist drills h s s morse taper 3) h s s centre drills 4) h s s centre drill type a 5) h s s centre drill type a 6) h s s centre drill type a 7) centre drill type b
com) DR indexable twist drills are optimized for use on all steels, alloys and cast iron.
It stores dozens of special drill point geometries in memory, and sharpens HSS, cobalt, and carbide 2 flute twist drills with diameters from 1/8" to 5/8".
diameter shank to chuck on for durability and mounts on HSS Fast Spiral Twist Drills, which allow faster chip clearance.
introduces a revolutionary concept in twist drills that will increase productivity and not drill price.