Other Definitions
trackball (enc)
Trackball
Noun
1.
trackball
- 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
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trachodon
trachodont
trachoma
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trachurus symmetricus
trachurus trachurus
trachycarpous
trachymedusae
trachyspermous
trachystomata
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tracing
tracing paper
tracing routine
track and field
track down
track event
track meet
track record
track star
track road
track to track seek time
trackable
trackage
tracked
tracked vehicle
tracker
tracking
tracklayer
trackless
trackless trolley
trackman
trackmaster
trackscout
trackwalker
trackway
tract
tract house
tract housing
tractability
tractable
tractableness