💡 Words with a Similar Meaning to "Supereon"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| precambriannoun | (geology) The Precambrian supereon; spanning from the formation of the Earth around 4.6 billion years ago to the emergence of hard-shelled creatures 541 million years ago. |
| subepochnoun | (geology) A geochronologic unit comprising one or more ages, being a period of generally agreed significance within an epoch. |
| aeonnoun | Commonwealth standard spelling of eon. |
| geologic eranoun | (geology, Paleontology) A subdivision of geologic time that divides an eon into smaller timeframes. |
| epochnoun | A particular period of history, or of a person's life, especially one considered noteworthy or remarkable. |
| phanerozoicnoun | (geology) A geologic eon from about 538.8 million years ago to the present |
| pre-cambriannoun | Alternative spelling of Precambrian. [(geology) The Precambrian supereon; spanning from the formation of the Earth around 4.6 billion years ago to the emergence of hard-shelled creatures 541 million years ago.] |
| eoarcheannoun | (geology) Of a geologic era within the Archaean eon from about 4600 to 3600 million years ago; the first single-celled life began at this time. |
| eonothemnoun | (stratigraphy, geology) The totality of rock strata laid down in the stratigraphic record during a certain eon of the continuous geologic timescale. |
| archaeannoun | (geology) Of, or relating to the geologic eon from about 4,031 to 2,500 million years ago; comprises the Eoarchean, Paleoarchean, Mesoarchean and Neoarchean eras; marked by an atmosphere with little oxygen, the formation of the first continents and oceans and the emergence of simple life. |
| erathemnoun | (geology, paleontology) The total stratigraphic unit deposited during a certain corresponding span of time during an era in the geologic timescale. |
| proterozoicnoun | (geology) The eon from 2,500 Ma to 541.0±1.0 Ma, the beginning of the Phanerozoic, marked by the build up of oxygen in the atmosphere and the emergence of primitive multicellular life. |
| neoproterozoicnoun | (geology) The Neoproterozoic era. |
| archeannoun | Alternative form of Archaean. [(geology) The eon from 2,500 Ma to 4,000 Ma.] |
| hadeannoun | (geology) The Hadean eon; part of the Precambrian supereon, spanning from around 4.6 to 4 billion years ago. |
| light aeonnoun | (Commonwealth) Alternative spelling of light eon. [(astronomy, physics) A unit of length equal to the distance light travels in one eon.] |
| mesoproterozoicnoun | (geology) The Mesoproterozoic era. |
| neoarcheannoun | (geology) Of a geologic era within the Archaean eon from about 2800 to 2500 million years ago. |
| steniannoun | The final geologic period in the Mesoproterozoic Era, from 1200 million to 1000 million years ago. |
| periodnoun | (now chiefly Canada, US, Philippines) The punctuation mark “.” (indicating the ending of a sentence or marking an abbreviation). |
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