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A ball mounted in a stationary housing and rotated to control a pointer on a computer screen.


(ˈtrækˌbɔːl) or


(Computer Science) computing a device consisting of a small ball, mounted in a cup, which can be rotated to move the cursor around the screen


a computer input device for controlling the pointer on a display screen by rotating a ball set inside a case.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trackball - an electronic device consisting of a rotatable ball in a housingtrackball - an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen; "a trackball is essentially an upside-down mouse"
electronic device - a device that accomplishes its purpose electronically
kulový ovladač
boule de commande


[ˈtrækbɔːl] N (Comput) → bola f rastreadora, trackball m


track ball [ˈtrækbɔːl] tracker ball [ˈtrækərbɔːl] nboule f de pointage
References in periodicals archive ?
com A refreshing oil with a cooling roller ball action to help brighten and soothe tired eyes.
All split roller tops have end loading access, while the roller ball lift is suitable for both end and side loading.
Ideal for wrapping bars, tubes, tires, building products or rolled goods (carpet and insulation), the semi-automatic orbital wrappers allow a single operator to feed the products from a roller conveyor or roller ball table and wrap them hands-free with a foot pedal control.
Something like the Lickety Stik that has a roller ball that dispenses meat- flavored gel is great for this type of reward because you can easily hold it out for him to lick then take it away just as easily.
Participants used identical canes of different lengths (Ambutech UltraLite Graphite Rigid Cane) with four different cane tips perceived to be advantageous in reducing the incident of sticking (at least on dry surfaces): (1) metal glide tip (Ambutech MT 4070), (2) marshmallow roller tip (Ambutech MT 4090), (3) roller ball tip (Ambutech MT 4061), and (4) bundu basher tip (Bevria ES 4274) (see Figure 1).
In addition to its best-selling roller ball pens, Pentel Co offers products such as markers and highlighters and pencil lead refills, all of which it led.
In 2015, purchasing decision continued to be determined by unit prices, while there was a slight increase in demand for new styles of fountain pens and roller ball pens of higher quality.
You can buy automotive touch-up paint in pints and quarts to use in a spray gun, in aerosol cans, or in roller ball applicators.
Young adults will be thrilled with the giant slide, obstacle course, roller ball and the new Plinko game.
Attention to details, exquisite decors and high quality materials are found in this collection that includes cufflinks, men's rings, Misbahas and roller ball pens.
It's a fresh, floral, fruity blend that captures the timeless appeal of Victoria's Secret now availA[degrees] able in perfume, roller ball, lotion and mist.
Both tools feature robust construction to ensure long service lives, and both are compatible with all sizes of roller ball stainless ties in the Partex range.