What does the prefix tele- mean?
Tele- comes from the Greek tele, which means "far" or "at a distance". It shows that something is done or happens from far away. The central idea is always "across distance".

Prefix · at a distance / far
Signals action or communication at a distance: television, telephone, telescope, telework.
Written by Bryan López, English teacher · Updated
Tele- comes from the Greek tele, which means "far" or "at a distance". It shows that something is done or happens from far away. The central idea is always "across distance".
Today tele- keeps growing: digital technology widened its reach to include any service or communication done remotely, like working, having a medical appointment or attending a meeting without being in the same place. If you see tele- next to an everyday activity, think: "it is done from a distance".
Attaches to nouns and verbs:
Pronunciation: /ˈteli/, with a short "e." In British informal English, "telly" = the television.
tele-/ˈteli/
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"Tele-" + scope = see objects far away (stars, planets). "Micro-" + scope = see objects too small for the naked eye (cells, bacteria). The prefix completely determines the function of the optical instrument.
"Television" means: (1) the physical device (the television = the TV set); (2) the medium (television has changed journalism); (3) the industry (she works in television). Context determines the meaning.
A trick to remember it
Think of television and telephone, which bring something from far away: tele- = far. telescope, telepathy.
Exercise 1 · Form the word
Exercise 2 · Pick the right one
"During the pandemic, millions of people began to ___ from home for the first time in their careers."
Exercise 3 · Pick the right one
What is the difference between "telescope" and "microscope"?
The prefix tele- signals action or communication at a distance: television, telephone, telescope, telework.
The prefix tele- is pronounced /ˈteli/. For example, "television".
"vision" becomes "television". It is a typical example of the tele- prefix.
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