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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 ?
You can treat these in seconds with SOS Solution for Bites, a new natural roller ball that soothes irritation and reduces redness.
Alharrasi added, 'Some of the rides that can be enjoyed at the Amerat Park this year are Top Dance, Giant Wheel, Air Flyer, Airflow inflatable slides and castle, clear colour inflatable roller ball on water, Crazy Frog, Battery Car, Crazy Fly, Dragon and Ringer.'
Tilt sensors can be implemented using roller ball and mercury technology and can be mounted using mechanical threading and magnets, depending on the surfaces to be mounted.
Tenders are invited for Taper roller ball bearing no.
Crowned with the Montblanc emblem in precious resin, the Writers Edition Homage to Homer is available as a Fountain Pen, Roller Ball and Ballpoint Pen, as well as a Mechanical Pen (only in a set).
Manuka Doctor Honey Eye Oil, PS15.99, 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 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.