Definition of upsilon in English:
- Typesetters typically confuse Greek letters in setting Greek quotations: nu with upsilon, theta with phi.
- Look lower down the alphabet - theta perhaps, or even upsilon.
- The system they focused on, three huge Jupiter-like planets orbiting the central star Upsilon Andromedae, was the first extrasolar multi-planet system ever discovered by Doppler spectroscopy.
- The discovery comes only seven months after the first multi-planet system outside our own, around the star Upsilon Andromedae, was identified.
- For example, Upsilon Andromedae is now known to possess a system of three large planets.
- Use of the tracking information told the energies and momenta of the muons - which could then be traced back to find the new upsilon particle and its mass.
- Similarly, the bottom quark was inferred from the discovery of the upsilon particle by Leon Lederman in 1977 at Fermilab.
- Some colleagues were surprised that he had not won a Nobel earlier, perhaps for the discovery in 1977 of the upsilon particle, the most massive nuclear particle yet found.
Mid 17th century: Greek, literally 'plain or simple U', from psilos 'plain', referring to the need to distinguish upsilon from the diphthong oi: in late Greek the two had (and in modern Greek still have) the same pronunciation.
Words that rhyme with upsilonpylon
Definition of upsilon in:
- British & World English dictionary
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