On the other extreme, our galaxy (we call it the Milky Way) is about 0.9 Zm (Zettameters, 100 million trillion meters) in diameter.
Source: wiktionary
Zettameter
Synonyms for "zettameter"
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3 total sentences available.
What is the speed of light in Zm (zettameters) per second?
Source: wiktionary
The size scale for the nuclear chemistry laboratory ranges from zeptometers (10⁻²¹ m) to zettameters (10²¹ m).
Source: wiktionary
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.