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Müller, Karl Alexander Born 1927.
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Swiss physicist. He shared a 1987 Nobel Prize for pioneering research in superconductivity.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
Müller, Johann Known as Re·gi·o·mon·ta·nus (rējē-ō-mŏn-tānəs, -tä-, rĕjē-) 1436-1476.
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German mathematician and astronomer who established the study of algebra and trigonometry in Germany and contributed to the revival of astronomy during the Renaissance.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
Mul·ler (mŭlər), Hermann Joseph 1890-1967.
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American geneticist. He won a 1946 Nobel Prize for his discovery that x-rays can cause genetic mutations.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
mul·ler (mŭlər)
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n.
An implement of stone or other hard substance used as a pestle to grind paints or drugs.

[Middle English molour, probably from mullen, to grind; see MULL2.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 
Mül·ler (mŭlər, mylər, mü-), (Friedrich) Max 1823-1900.
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German-born British philologist and Orientalist noted for his studies of Sanskrit language and literature.

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
 

Indo-European & Semitic Roots Appendices

    Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

    Indo-European Roots

    Semitic Roots

    The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.