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eon

used in a sentence
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Definition the longest commonly used division of geological time

or less formally:  an immeasurably long period of time
  • It was during the Proterozoic eon.
  • I haven't seen her in eons.
  • She saw Valentine's eyes as the sword hurtled toward her; it seemed like eons, though it could only have been a split second.
    Cassandra Clare  --  City of Bones
  • Otis and I have been imprisoned under Rome for eons, but we've kept busy building our very own hypogeum.
    Rick Riordan  --  The Mark of Athena
  • "I have slept many eons," the god said forlornly.
    Rick Riordan  --  The Battle of the Labyrinth
  • You couldn't be certain why it worked as it did, and it had been repaired and modified many times already, by forces of evolution, over eons of time.
    Michael Crichton  --  Jurassic Park
  • None of us had eaten since our train ride to London, which seemed eons ago.
    Ransom Riggs  --  Hollow City
  • "Eon's actually been pretty generous."
    Kiera Cass  --  The Heir
  • "An eon," Rogerson repeated, lifting his head up and looking at me again.
    Sarah Dessen  --  Dreamland
  • When I turned, he was standing there with a wow-how-about-this expression, as if we were long-lost friends who hadn't seen each other in eons.
    Sarah Dessen  --  Just Listen
  • The Fates ordained a prophecy eons ago, when this creature was born.
    Rick Riordan  --  The Titan's Curse
  • "Then you might not have to witness an execution at A!" said Eon stoutly.
    J.K. Rowling  --  Harry Potter and the Prisoner of Azkaban
  • It is eons of time and information.
    Dan Simmons  --  Hyperion
  • I've been making fortunes for eons, Max.
    Henry H. Neff  --  The Fiend And The Forge
  • The streets of Paris, the ordinary world, seemed eons away.
    Cassandra Clare  --  City of Lost Souls
  • 'Eons' sounds too geological.
    Kate DiCamillo  --  Flora & Ulysses
  • Eons ago, all magic was thus.
    Christopher Paolini  --  Eldest
  • Hercules did that, eons ago.
    Rick Riordan  --  The Last Olympian
  • Even though the rite of sacrifice had been abandoned eons ago, its power remained.
    Dan Brown  --  The Lost Symbol
  • He gave me away like a trophy to Briares, a Hundred-Handed One, as a reward for supporting the gods in the war with Kronos eons ago.
    Rick Riordan  --  The Blood of Olympus

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