kernel

core

Central essential portion

• nucleusCentral controlling part
• gistCentral meaning distilled
• cruxMost important point

pith · heart · nub · substance · quintessence · fundamental · key point · basis · root · marrow

grain

Cereal plant's harvest unit

• huskDry seed covering
• shellHard outer covering
• endospermSeed's internal nutrient tissue

germ · embryo · cotyledon · germination · planting · sowing · sprouting · propagation · cultivation · harvesting

cob

Maize ear's central cylinder

• maizeCob-bearing cereal crop
• earAuditory organ
• huskDry seed covering

popcorn · hominy · cornmeal · niblet · masa · tassel · silk · shucking

operating system

Software managing computer resources

• LinuxOpen-source operating system kernel
• CPUMain computing chip
• processSteps toward a result

module · driver · interrupt · scheduler · memory management · Unix · monolithic · microkernel · bootloader · firmware

convolution

Twisting or mathematical integration

• eigenvalueScalar satisfying determinant equation
• operatorOne who works machinery
• singularOne in number

symmetric · separable · compact · bounded · linear · transform · solution · boundary · continuous · integration

almond

Edible tree nut

• walnutEdible hard-shelled seed
• cashewCurved edible seed
• pistachioEdible green seed

hazelnut · macadamia · pecan · Brazil nut · pine nut · shelling · meat · nutcracker · blanching · roasting

• grain farmingwheat, wheat field, wheat fields, wheat farming, rice
• harvestreaping, fall harvest, wheat sheaf, reaper, reap
• abstract algebraalgebra, group, isomorphism, Boolean algebra, commutator
• category theorycategory, object, adjunction, adjoint, limit
• neural networksneural network, neural networks, hidden layers, backpropagation, layers
• operator theoryoperator, adjoint, spectrum, eigenvalue, eigenvector