ul·​tra·​ti·​ny ˌəl-trə-ˈtī-nē How to pronounce ultratiny (audio)
: extremely small or diminutive : extremely tiny
Two years ago, some scientists claimed to have found a new class of ultratiny microbes that others argued were too small to be real.J. Travis

Word History

First Known Use

1908, in the meaning defined above

Time Traveler
The first known use of ultratiny was in 1908

Dictionary Entries Near ultratiny

Cite this Entry

“Ultratiny.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultratiny. Accessed 23 May. 2024.

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