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Definition
the longest commonly used division of geological timeor 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