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I have heard the following 4 pronunciations for this word LaTeX. Which is the correct one?

  1. Laatec
  2. Letec
  3. Laatecs
  4. Letecs
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2 Answers2

4

From Wikipedia:

LaTeX (/ˈlɑːtɛx/ LAH-tekh or /ˈleɪtɛx/ LAY-tekh; a shortening of Lamport TeX) is a document preparation system. [...]

and in a more detailed section, Pronouncing and writing "LaTeX":

[...] TeX's creator Donald Knuth promotes a pronunciation of /tɛx/ (tekh) (that is, with a voiceless velar fricative as in Modern Greek, similar to the ch in loch). Lamport writes "TeX is usually pronounced tech, making lah-teck, lah-teck, and lay-teck the logical choices; but language is not always logical, so lay-tecks is also possible." [...]

I pronounce it lah-teck.

3

As you can find in Introduction to LaTeX section of the LaTeX project site:

LaTeX, which is pronounced «Lah-tech» or «Lay-tech» (to rhyme with «blech» or «Bertolt Brecht»), is a document preparation system for high-quality typesetting. It is most often used for medium-to-large technical or scientific documents but it can be used for almost any form of publishing.

So, it is not pronunced with a final "x".

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