Chapter 17. Dictionaries
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## Chapter 17. Dictionaries

## 1. How to download and install dictionaries

Dictionaries in OmegaT are based on the StartDict Platform. To install the necessary files, proceed as follows:

- Search for the required language combination - for instance on the StartDict Platform above or on FreeDict

- Download the file - it should be a `tarball` archive (extension tar.bz or tar.bz2).

- Use untar utility (or its equivalent, for instance`winrar` in Windows) to extract its contents into the project folder "Dictionary". There should be three files, with extensions dz, idx and ifo.

Note that in addition to "source-target" dictionaries you can, using the Dictionary feature, obtain access to information such as:

- Webster's Revised Unabridged Dictionary (1913)

- Longman Dictionary of Contemporary English

- The Britannica Concise Encyclopedia

- etc...

Some of the dictionaries have no strings attached - i.e. are "Free to use", and others, like the selection above, are under the GPL license. The following example shows Merriam Webster 10th dictionary "in action":

Figure 17.1. Merriam Webster dictionary - use

## 2. Problems with dictionaries

- Check that your dict files are in the correct folder (or in a subfolder below it). Check in Project → Properties (Ctrl+E).

- Does the folder contain three files of the same name, with extensions ? If only one file is present, check its extension. If it is tar.bz, you have forgotten to unpack (untar) it.

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