Similar words: blackball, kick back, snack bar, kickback, knock back, backtracking, racetrack, backtrack. Meaning: ['trækbɔːl] 
n. an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen.
n. an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen. 
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1 The reason that conventional trackballs and joysticks aren't used is because the precise positioning that they provide simply isn't needed.
2 Klatsky found that some subjects preferred trackballs or Glidepoint pads even though they actually performed better with mice.
3 A trackball is essentially an upside - down mouse.
4 A mouse takes much more room than a trackball.
5 Fixed auto brightness, hardware key lights and trackball light notifications.
6 The trackball products are rare products now , a handful of manufacturer in Taiwan still making it.
7 A trackball has the ball on top and you move it with your finger.
8 While integrating forearms to operate a trackball and a mouse, the OE of target acquisition and drag-and-drop were 53%AP and 45%AP, respectively.
9 Move your mouse or trackball in the straightest line possible.
10 The icons are generally activated by an on-screen pointer controlled by a mouse or trackball.
11 This system can serve as a natural and convenient user input device ,(www.Sentencedict.com) replacing mouse and trackball.
12 Industrial keyboard housed in a NEMA 4X enclosure with membrane keypad and integrated industrial trackball.
13 In 2006, the scroll wheel was replaced with a trackball on the front of the device.
14 The manufacturer also got one new gadget on display , a USB key - like trackball.
15 Adjust how much your pointer accelerates as you move your mouse or trackball faster.
More similar words: blackball, kick back, snack bar, kickback, knock back, backtracking, racetrack, backtrack, track, sickbay, neckband, rock band, brickbat, tracker, tracked, tracking, coat rack, track down, off the track, trackable, sidetrack, fast track, trackless, on the track, tracksuit, untracked, soundtrack, trace back to, track record, lose track of.