Definition

1. Noun:
   • The 24th and final letter of the Greek alphabet (Ω, ω): This is the primary meaning, referring to the last letter in the Greek writing system.
   • The end or final part of something; the conclusion of a series or sequence: Used figuratively to denote the ultimate limit, the last in a series, or the final development.

Examples of Usage

• Noun:
  • In physics, the symbol omega (Ω) is often used to represent angular velocity or ohms, the unit of electrical resistance.
  • The treaty marked the omega of a long and bitter conflict.
  • In the phrase "alpha to omega," it signifies from the beginning to the very end.

Advanced Usage

• "The Alpha and the Omega": A biblical idiom from the Book of Revelation, used to describe God as eternal, encompassing both the beginning and the end. It is often used more generally to refer to the first and last elements of something, or to completeness.
  • For many believers, God is the Alpha and the Omega, the source and the culmination of all things.
  • This book covers the history of the empire from alpha to omega.

Variants and Related Words

• Omega-3 (n): A type of essential fatty acid, named because of the position of a double bond in its chemical structure.
  • Salmon is rich in omega-3 fatty acids.
• Omega particle (n): A hypothetical subatomic particle in physics.

Synonyms

• End: The final part of something.
• Conclusion: The end or finish of an event, process, or text.
• Terminus: A final point in space or time; an end or extremity.

Related Phrases

• From alpha to omega: From the beginning to the end; completely.
  • He explained the process from alpha to omega.

Related Idioms

• The Alpha and the Omega: The beginning and the end; used to signify completeness, eternity, or God.
  • She was involved in the project from the alpha to the omega.

Noun

1. the last (24th) letter of the Greek alphabet
2. the ending of a series or sequence
   • the Alpha and the Omega, the first and the last, the beginning and the end--Revelation