omega

omega — noun

1. the Greek letter that comes at the end of the alphabet, written as Ω or ω

1.名詞C1
釋義

the Greek letter that comes at the end of the alphabet, written as Ω or ω

例句

In Greek class, Eva wrote omega after psi on the board.

write omega after psi

The science chart showed capital omega beside the unit symbol.

capital omega in symbols

同義詞
  • letter

    a broad word for any alphabet sign; omega names one exact Greek letter

  • symbol

    broader again; omega can act as a symbol, but it is specifically a letter name

  • character

    used for written signs in general, often in technical contexts

文法句型

write omega as Ω or ω

capital omega

small omega

用法筆記

Often appears in language, science, and maths when people name the Greek letter itself. Writers may specify capital omega or small omega to show which written form they mean.

常見錯誤

❌Omega is the first letter of the Greek alphabet.
✅Omega is the last letter of the Greek alphabet.
💡The first Greek letter is alpha, not omega.

2. the last stage or closing part of something that has several steps or parts

2.名詞C2
釋義

the last stage or closing part of something that has several steps or parts

例句

For the old coach, retirement was the omega of forty seasons.

the omega of + noun

The treaty marked the omega of years of border fighting.

同義詞
  • end

    the plain everyday word; omega is much more literary

  • finale

    often used for the last part of a performance or event

  • conclusion

    common in writing and formal discussion, especially for arguments or reports

  • close

    can mean the ending of an event or period; less symbolic than omega

反義詞
  • beginning

    the start rather than the last part

  • opening

    used for the first part of an event, speech, or text

文法句型

the omega of + noun

be the omega of + noun

用法筆記

Mostly literary or symbolic rather than everyday. Commonly follows the and often appears in contrasts about beginnings and endings.

常見錯誤

❌The opening speech was the omega of the ceremony.
✅The closing speech was the omega of the ceremony.
💡This sense points to the final part, not the beginning.