plural omegas
1
: the 24th and last letter of the Greek alphabet see Alphabet Table
2
: the extreme or final part : end compare alpha see also alpha and omega
3
: something or someone designated with the name omega or the Greek letter ω especially denoting the last in position, order, or class
"Omega-3" refers to the position of the final double bond in the chemical structure, which is three carbon atoms from the "omega," or tail end of the molecular chain.—
Ruairi Robertson
Ruairi Robertson4
a
: a negatively charged elementary particle that has a mass 3270 times the mass of an electron
called also omega minus
b
: a very short-lived unstable meson with mass 1532 times the mass of an electron
called also omega meson
Dictionary Entries Near omega
Cite this Entry
“Omega.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/omega. Accessed 26 Nov. 2024.
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