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tap

1. a particular quality of alcoholic drink, esp when contained in casks
2. the surgical withdrawal of fluid from a bodily cavity
3. a tool for cutting female screw threads, consisting of a threaded steel cylinder with longitudinal grooves forming cutting edges
4. Electronics chiefly US and Canadian a connection made at some point between the end terminals of an inductor, resistor, or some other component

Tap

 

(Screw Tap), a tool for cutting a screw thread in a previously drilled hole. A tap is a cylindrical spindle with cutting edges at one end. The other end, or shank, is designed to be fastened in a chuck or held in a tap wrench while being turned.

The main types of taps are manual taps; inside taps, for cutting a complete thread in through holes in one traverse; machine taps, for cutting threads mainly in blind holes on drilling machines, automatic machines, and special assembly-line units; machine-tool taps, for making threads in through holes on nut-tapping machines; grooveless taps, for cutting threads in through holes in one traverse; automatic taps, for cutting threads in nuts on automatic nut-tapping machines; and die and master taps, for cutting threads and thread gauges and removing the burrs in the threaded holes of circular dies. The materials used to make taps are alloy tool steel and high-speed steel.

tap

[tap]
(design engineering)
A plug of accurate thread, form, and dimensions on which cutting edges are formed; it is screwed into a hole to cut an internal thread.
A threaded cone-shaped fishing tool.
(electricity)
A connection made at some point other than the ends of a resistor or coil.
(engineering)
A small, threaded hole drilled into a pipe or process vessel; used as connection points for sampling devices, instruments, or controls.
(metallurgy)
A quantity of molten metal run out from a furnace at one time.
To remove excess slag from the floor of a pot furnace.
(mining engineering)
To intersect with a borehole and withdraw or drain the contained liquid, as water from a water-bearing formation or from underground workings.

tap

1. A connection to a water supply main.
2. A faucet.
3. A tool used for cutting internal threads, as in a pipe.

TAP

(1)

tap

(2)

tap

(1) In communications, a connecting point on a line. For example, a wire tap is where a recording device is wired and attached to a telephone line. See transceiver and bridged tap.

(2) To lightly touch a touch-sensitive screen. See double tap for more details.

(3) To press a key on a keypad.

(4) (Amazon TAP) See Amazon Echo.

(5) (TAP) (Telocator Alphanumeric Protocol) A paging protocol used to transmit up to a thousand 7-bit characters to an alphanumeric pager. Developed in the early 1980s by the Telocator Paging Association, which later became the Personal Communications Industry Association (PCIA), TAP was also known as IXO and PET. TAP is widely used in the U.S. and throughout Europe.
References in periodicals archive ?
You should have heard a difference between the sound produced by the empty versus the paper-filled soda bottle, When you tapped on the paper-filled bottle, the paper absorbed some of the sound waves before the waves bounced back to your ears.
Many factors must be considered in selecting the right tap and tapholding devices, including the method of tapping (manual or machine), the material to be tapped (heat treatment), the length of thread or depth of the tapped hole, required tolerance or class of fit, as well as the production equipment being used.
The second half led off with 20-something Reggio the Hoofer and his partner, tiny, 80-something Ernest "Brownie" Brown, who tapped sitting in chairs.
With drills taking up 40% of the tool slots in machining centers and producing 60% of the resultant chips, a lot of holes are being created, and most end up tapped.
she and Holliday jammed together to Duke Ellington's "Come Sunday," a tune that was first tapped to by the legendary Bunny Briggs.