Crux vs Kernel - What's the difference?
crux | kernel |
The basic, central, or essential point or feature.
The critical or transitional moment or issue, a turning point.
* 1993 , Laurence M. Porter, "Real Dreams, Literary Dreams, and the Fantastic in Literature", pages 32-47 in'' Carol Schreier Rupprecht (ed.) ''The Dream and the Text: Essays on Literature and Language .
A puzzle or difficulty.
The hardest point of a climb.
* 1973 , Pat Armstrong, "Klondike Fever: Seventy Years Too Late", in Backpacker , Autumn 1973, page 84:
* 2004 , Craig Luebben, Rock Climbing: Mastering Basic Skills , The Mountaineers Books, ISBN 9780898867435,
* 2009 , R. J. Secor, The High Sierra: Peaks, Passes, and Trails , Third Edition, The Mountaineers Books, ISBN 9780898869712,
(heraldiccharge) A cross on a coat of arms.
The core, center, or essence of an object or system.
The central (usually edible) part of a nut, especially once the hard shell has been removed.
A single seed or grain, especially of corn or wheat.
(US) The stone of certain fruits, such as peaches or plums.
A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh.
(computing) The central part of many computer operating systems which manages the system's resources and the communication between hardware and software components.
(calculus) A function used to define an integral transform.
(mathematics) A set of pairs of a mapping's domain which are mapped to the same value.
(mathematics, algebra) Those elements, in the domain of a function, which the function maps to zero.
(mathematics, fuzzy set theory) The set of members of a fuzzy set that are fully included (i.e., whose grade of membership is 1).
(slang) The human clitoris.
* 2014 , Karyn Gerrard, Irene Preston, Lotchie Burton et al'', ''Summer Heat: 10 Spicy Romances That Sizzle
As a proper noun crux
is (constellation) a distinctive winter constellation of the southern sky, shaped like a cross it appears in the flags of several countries in oceania.As a noun kernel is
the core, center, or essence of an object or system.crux
English
Noun
(en-noun)- The crux of her argument was that the roadways needed repair before anything else could be accomplished.
- The mad certitude of the ogre, Abel Tiffauges, that he stands at the crux of history and that he will be able to raise Prussia "to a higher power" (p. 180), contrasts sharply with the anxiety and doubt attendant upon most modern literary dreams.
- The perpetual crux of New Testament chronologists. — Strauss.
- The final half-mile was the crux of the climb.
page 179:
- Most pitches have a distinct crux', or tough spot; some have multiple '''cruxes'''. ΒΆ Climb efficiently on the "cruiser" sections to stay fresh for the ' cruxes .
page 51:
- Continue climbing the groove; the crux is passing some vegetation on the second pitch.
kernel
English
Noun
(en noun)- the kernel of an argument
- The Dirichlet kernel convolved with a function yields its Fourier series approximation.
- If a function is continuous then its kernel is a closed set.
- Using the blunt end of one of the vibraphone mallets, he pried open her folds. With the balled end of the other, he rhythmically rolled over her kernel .