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Welcome to the NTID Science Signs Lexicon!

To view science signs, type a word in the search box at the upper left, or browse the signs alphabetically or by category below.

Signs and other information from this website may not be copied or used on a World Wide Web resource without permission.  Please contact  Any use of this material, including individual signs, must be accompanied with the following statement:  "Courtesy of the NTID Science Signs Lexicon Project at


<a href="" target="_blank">History of the Science Signs Lexicon (research and evaluation)</a>
<a href="" target="_blank">Astronomy and Space Science</a>

<a href="" target="_blank">Biology</a></br>
<a href="" target="_blank">Chemistry</a></br>
<a href="" target="_blank">Earth Science</a></br>

<a href="" target="_blank">Environmental Science</a></br>

<a href="" target="_blank">Heat and Temperature</a></br>

<a href="" target="_blank">Marine Science</a></br>
<a href="" target="_blank">Mathematics Commonly Used in Science</a></br>
<a href="" target="_blank">Mechanics</a></br>
<a href="" target="_blank">Medical</a></br>
<a href="" target="_blank">Meteorology</a></br>

<a href="" target="_blank">Optics</a></br>

<a href="" target="_blank">Physical Science</a></br>

<a href="" target="_blank">Electricity and Magnetism</a></br></br>

<a href="" target="_blank">Alphabetical List of All Terms</a>

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