ultratiny
adjective
ul·tra·ti·ny ˌəl-trə-ˈtī-nē 
: 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
J. Travis
Word History
First Known Use
1908, in the meaning defined above
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- guildsman
- guildsmen
- guildswomen
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- guileful
- guilefully
- guilefulness
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- guileless
- guilelessly
- guilelessness
- guilelessnesses
- guilery
- guiles
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- Guilin
- guiling
- Guillain-Barré syndrome
- Guillaume
- guillemet
- guillemets
- Guillemin
- guillemot