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单词 omega
释义

omega

noun

ome·​ga ō-ˈmā-gə How to pronounce omega (audio) -ˈmē- How to pronounce omega (audio) -ˈme- How to pronounce omega (audio)
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
4
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

Word History

Etymology

Middle English, from Greek ō mega, literally, large o

First Known Use

15th century, in the meaning defined at sense 1

Medical Definition

omega

adjective

ome·​ga
variants or ω-
ō-ˈmeg-ə, -ˈmā-gə, especially British ˈō-meg-ə
: of, relating to, or being a chemical group or position at the end of a molecular chain
omega oxidation of fatty acids

omega

noun

as in ending

Synonyms & Similar Words

Relevance
  • ending
  • close
  • end
  • closure
  • cessation
  • period
  • finish
  • windup
  • closing
  • termination
  • finale
  • conclusion
  • completion
  • stop

Antonyms & Near Antonyms

  • alpha
  • beginning
  • morning
  • start
  • birth
  • dawn
  • genesis
  • baseline
  • threshold
  • onset
  • outset
  • commencement
  • inception
  • launch
  • incipiency
  • kickoff
  • first base
  • ground zero
  • incipience
  • drawing board
  • nascency
  • nascence
  • day one
  • initiation
  • institution
  • git-go
  • creation
  • get-go
  • founding
  • origination
  • inauguration
  • square one
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更新时间:2024/12/24 3:38:29