know
Usage
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
When scientists do not know exactly when fossils formed, it becomes much harder to understand how ancient species and ecosystems evolved and interacted over time.
From Science Daily
Scientists still do not know what either one actually is, but their influence is unmistakable.
From Science Daily
When a material becomes superconducting, electrons instead form paired states known as Cooper pairs and enter a collective quantum state.
From Science Daily
Many readers may not know about the option to add beneficiaries, and you would do your readers a service by educating them about it.
From Los Angeles Times
Every game Fenton knew he could rely on his players to stay focused and leave everything they had on the field.
From Los Angeles Times
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
