Слово "kernel". Англо-русский словарь Мюллера

"It is a small kernel of corn which has a streak of red color in its middle."

They rounded a corner in thunder and siren, with concussion of tyres, with scream of rubber, with a shift of kerosene bulk in the glittery brass tank, like the food in the stomach of a giant; with Montag's fingers jolting off the silver rail, swinging into cold space, with the wind tearing his hair back from his head, with the wind whistling in his teeth, and him all the while thinking of the women, the chaff women in his parlour tonight, with the kernels blown out from under them by a neon wind, and his silly damned reading of a book to them.

These fruits enclosed no kernel. Conseil brought a dozen to Ned Land, who placed them on a coal fire, after having cut them in thick slices, and while doing this repeating:

Kernels–each an emerald pure.

And through some strange, perhaps accidental, conjunction of circumstances, everything that was essential, of interest and of value to him, everything in which he was sincere and did not deceive himself, everything that made the kernel of his life, was hidden from other people; and all that was false in him, the sheath in which he hid himself to conceal the truth--such, for instance, as his work in the bank, his discussions at the club, his "lower race," his presence with his wife at anniversary festivities--all that was open.