nucleus

Astronomers call this an active galactic nucleus, or AGN.

From Science Daily ● Jul. 18, 2026

They are integrating AI agents into existing super apps or trying to turn popular AI chatbots into the nucleus of new everything apps.

From The Wall Street Journal ● Jul. 1, 2026

This technology allowed the team to isolate the nucleus of individual cells within tumor tissue and determine which genes were active in each cell.

From Science Daily ● Jun. 25, 2026

The roughly 40% of the Las Vegas Strip that MGM owns is “an entertainment nucleus that simply cannot be replicated anywhere in the world.”

From The Wall Street Journal ● Jun. 1, 2026

This model explained quite well the structure of the simplest atom, hydrogen, which has only one electron orbiting around the nucleus.

From "A Brief History of Time: And Other Essays" by Stephen Hawking

Fusion requires heating and compressing nuclear fuel to make superheated plasma in which atomic nuclei combine, releasing energy.

From The Wall Street Journal ● Jul. 9, 2026

Because of this connection, researchers have generally assumed that observing Purkinje cell activity provides a reliable picture of what is happening in the deep nuclei cells.

From Science Daily ● Jul. 1, 2026

She added that researchers should also be cautious about treatment strategies that focus on altering Purkinje cell activity with the expectation that deep nuclei cells will respond accordingly.

From Science Daily ● Jul. 1, 2026

Based on that relationship, greater activity in Purkinje cells would be expected to correspond with lower activity in deep nuclei cells, while reduced Purkinje activity would be expected to have the opposite effect.

From Science Daily ● Jul. 1, 2026

For white dwarfs, the pressure of the electrons, stripped from their nuclei, holds the star up.

From "Cosmos" by Carl Sagan

"So far I have done nothing but nucleuses," said Olive, as they sat down.

From The Captain's Toll-Gate by Stockton, Frank Richard

Many words ending in us that formerly were written with only the Latin plural, are now given an English plural also; as, focuses, foci; cactuses, cacti; sarcophaguses, sarcophagi; convolvuluses, convolvuli ; funguses, fungi; nucleuses, nuclei.

From Slips of Speech : a Helpful Book for Everyone Who Aspires to Correct the Everyday Errors of Speaking by Bechtel, John Hendricks

"Gee whiz, nucleuses aren't so easy to be, that's one thing," Pee-wee muttered to himself as he bent his aimless way in the direction of Barrel Alley.

From Pee-Wee Harris Adrift by Fitzhugh, Percy Keese

She saw him start a dozen nucleuses of fires; saw them advance till they halted at the edge of the burned ground, beyond the wagon, so that it stood safe in a vast black island.

From The Covered Wagon by Hough, Emerson

Hall, Price, and Kelsey headed in with straggling wagons to form the nucleuses of their columns; but the morning wore on and the Missourians, now under Woodhull, had not yet broken park.

From The Covered Wagon by Hough, Emerson