1. things that are established facts or certainties
Usage: plural form

Examples

• The scientist listed the knowns and unknowns of the experiment.
• We need to separate the knowns from the assumptions in our analysis.
• The detective worked with the few knowns available at the crime scene.
• In mathematics, we start with the knowns and solve for the variables.
• The knowns in this case are limited, making investigation difficult.
• She organized her research by categorizing knowns and hypotheses.