History
History
History
UK
US
Meaning:

the softer, inner part (of a hut or fruit-stone); an inside part of a seed, e.g. a grain of wheat

seed, essence

fruit grain meat morsel nut atom bit center core crux germ gist heart hub keynote marrow matter nub nubbin part piece pith root substance upshot
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KERNEL as in Wiktionary
KERNEL as in Wikipedia