/ ˈteli; NAmE / combining form (in nouns, verbs, adjectives and adverbs)
1.
over a long distance; far :
telepathy
telescopic
2.
connected with television :
teletext
3.
done using a telephone :
telesales
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WORD ORIGIN
from Greek tēle- far off. Senses 2 and 3 are abbreviations.