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.

Fifty-five years later, Isaac Newton’s great work, Philosophiae naturalis principia mathematica, The Mathematical Principles of Natural Philosophy, further reinforced the coherence of the Copernican system, with laws of mechanics and gravity that reinforced the model.

From Forbes • Sep. 18, 2014

He stood in a theater-sized version of the camp’s headquarters—a principia with walls of ice and freezing mist hanging in the air.

From "The Son of Neptune" by Rick Riordan

But at the door of the principia, Percy couldn’t resist turning.

From "The Son of Neptune" by Rick Riordan

She stormed into the principia with her purple cloak billowing, and her greyhounds at her feet.

From "The Son of Neptune" by Rick Riordan

At the crossroads outside the principia, a figure in dark robes stood shackled to the ice.

From "The Son of Neptune" by Rick Riordan