Proterozoic

ˌprɒt.ər.əˈzoʊ.ɪk

Definition

Definition of Proterozoic - Reverso English Dictionary

Noun

geology

TECH.

geological eon from about 2.5 billion to 540 million years ago

TECH.

The Proterozoic is known for the rise of oxygen levels in Earth's atmosphere.

Proterozoic eon

Adjective

geology

TECH.

related to the geologic eon from 2,500 Ma to 541 Ma

TECH.

The Proterozoic rocks are rich in iron formations.

geologic

Precambrian

Add a suggestion |

Feedback:

Expressions with Proterozoic

💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.

Proterozoic aeon

geological time period from 2,500 to 544 million years ago

The Proterozoic aeon saw the rise of multicellular life.

Proterozoic eon

geological time from 2,500 to 544 million years ago

The Proterozoic eon saw the rise of multicellular life.

Origin of Proterozoic

Greek, proteros (former) + zōē (life)

Terms with Proterozoic included in their meaning

💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.

siderian

geology

geological period in the Proterozoic Eon

Varangian

adj.

geology

related to a glaciation period in the late Proterozoic eon

Mesoproterozoic

geology

geologic era within the Proterozoic eon

Neoproterozoic

geology

geologic era within the Proterozoic eon

Examples of Proterozoic in a sentence

Many ancient rocks date back to the Proterozoic.
Geologists study Proterozoic formations for ancient clues.
The Proterozoic era saw significant biological developments.

View all translations of Proterozoic

✨Click below to see the appropriate translations facing each meaning.

French:Protérozoïque, protérozoïque, ...
German:Proterozoikum, proterozoisch, ...
Italian:Proterozoico, proterozoico, ...
Spanish:Proterozoico, proterozoico, ...
Portuguese:Proterozoico, pré-cambriano, ...
Chinese:元古宙, 元古代的, ...
Japanese:原生代, 原生代の, ...
Arabic:حِقْبَة البْرُوتِيرُوزُوي, بروتيروزوي, ...
Hebrew:פְּרוֹטֶרוֹזוֹאִיק, פְּרוֹטֶרוֹזוֹאִי, ...
Russian:Протерозой, протерозойский, ...
Ukrainian:протерозой, протерозойський, ...
Hindi:प्रोटेरोज़ोइक, प्राचीन भूवैज्ञानिक, ...
Bengali:প্রোটেরোজোয়িক, প্রোটেরোজোয়িক যুগের, ...
Catalan:Proterozoic, proterozoic, ...
Czech:proterozoikum, proterozoický, ...
Danish:Proterozoikum, proterozoisk, ...
Dutch:Proterozoïcum, Proterozoïsch, ...
Greek:Προτεροζωική, προτεροζωικός, ...
Hungarian:proterozoikum, proterozoós, ...
Khmer:យុគប្រូតេរ៉ូសូអ៊ិក, ដែលស្ថិតក្នុងមហាកាលប្រូតេរ៉ូសូអ៊ិក, ...
Korean:원생대, 원생대의, ...
Persian:دوران پرکامبرین, پروتروزوئیک, ...
Polish:Proterozoik, proterozoiczny, ...
Portuguese (BR):Proterozoico, proterozoico, ...
Romanian:Proterozoic, proterozoic, ...
Swedish:Proterozoikum, proterozoisk, ...
Thai:ยุคโพรเทอโรโซอิก, สมัยโพรเทอโรโซอิก, ...
Turkish:Proterozoik, ilk zamanlar, ...
Vietnamese:Kỷ Proterozoic, kỷ Proterozoic, ...

Discover how Reverso redefines the dictionary

Go beyond “simple words”

100,000 expressions & idioms Understand any expression you come across: from corporate jargon like 💬 touch base or ↩️ circle back to everyday expressions such as 🌊 out of the blue or 🦆 lame duck, as well as idioms like 🍲 spill the beans and 🐎 hold your horses.

40,000 images When you search for a concrete noun or object, images help you grasp the meaning at a glance. Try searching for 🧵 puppytooth, 🎠 merry-go-round, ⚜️ fleur-de-lys, or 💤 bunk bed.

Informal language & slang Everyday conversations are packed with informal expressions and slang. Meanings are clearly tagged, so you'll always know when a word is casual. Look up hangry (😋 hungry + 😡 angry), 😎 rizz, 🕹️ noob, or 🔑 low-key.

Abbreviations & acronyms Quickly decode modern abbreviations and acronyms. Go from IDK to OMG in seconds and stay up to date with popular abbreviations such as 🐐 GOAT, 📜 tl;dr, 👀 POV, or 🖥️ AFK.

Regional usage (US / UK) Reverso highlights regional differences between American and British English. You’ll never have to wonder where a word is commonly used: try lift vs. elevator, courgette vs. zucchini, or popular British slang like dodgy or banter. What’s more, when you search for 'color', you’ll immediately see its British counterpart, 'colour'.

Get more than a simple definition

Translations for each meaning View translations alongside each meaning to see how a word is translated in each context. Simply toggle translations ON and choose among 25+ languages. You can also display the translation of definitions or examples into your native language to deepen your understanding.

Synonyms & related words by meaning View synonyms and related words for each meaning, not just for the word as a whole. This helps you choose the most accurate word for your context. Click the

icon to discover related terms: analogies, antonyms, common collocates, words with same roots, umbrella terms… Try with happening or hunch.

Multiple examples for every meaning Each meaning comes with three real-life examples to show you how the word is used in different contexts. Click the

icon next to the first example to see two additional options and learn to use new vocabulary naturally.

Go from understanding to mastery

Save words for later review Click the

icon to save words you want to revisit. You can also save a specific meaning by clicking on the

icon next to it. For example, you might want to save the word “table” as a verb, which means “to postpone”.

Practice with personalized flashcards Reverso automatically transforms your searches and saved words into personalized flashcards and quizzes, featuring high-quality audio and usage examples. This helps you transform terms you only recognize into words you actually use confidently.

Learn with Netflix, YouTube, and your favorite texts With Reverso Chrome extension, transform movies, TV shows, articles, or song lyrics into an interactive lesson. Look up words and expressions in one click on any website and learn with your favorite content.

Definition of Proterozoic - Reverso English Dictionary

Noun

Adjective

Expressions with Proterozoic

Origin of Proterozoic

Terms related to Proterozoic

Terms with Proterozoic included in their meaning

Examples of Proterozoic in a sentence

View all translations of Proterozoic

Discover how Reverso redefines the dictionary

Go beyond “simple words”

Get more than a simple definition

Go from understanding to mastery