nucleus
Central essential part
A nucleus is the central, essential part of something around which other parts gather or from which they develop.
In biology, it's the membrane-bound structure in a cell containing genetic material.
In physics, it's the dense core of an atom, composed of protons and neutrons.
In astronomy, the solid core of a comet.
The plural is nuclei or nucleuses.
The old city formed the nucleus of the modern metropolis.
Central essential portion
- centerMiddle of anything
- hubCentral connection point
- heartCirculatory system's pump
- kernelSeed or essential core
focal · epicenter · crux · nexus · locus · pivot · axis · keystone
Positive nuclear particle
- neutronUncharged nuclear particle
- electronNegative subatomic particle
- atomElement's smallest unit
- isotopeElemental variant by mass
orbital · fusion · fission · radioactive · decay · half-life · transmutation · emission
DNA strand carrying genes
- DNAHereditary code molecule
- chromatinNuclear protein-wrapped genetic material
- membraneThin tissue sheet
- geneHereditary information unit
replication · transcription · mitosis · meiosis · eukaryote · nucleoplasm · histone · RNA
Unit of pronunciation
- onsetStarting point of something
- codaClosing musical passage
- vowelUnobstructed speech sound
- peakUtmost height attained
sonority · stress · phoneme · prosody · rime · mora · tone · articulation
core
Central essential portion
kernel · focal · epicenter · crux · nexus · locus · pivot · axis · keystone · linchpin
proton
Positive nuclear particle
isotope · orbital · fusion · fission · radioactive · decay · half-life · transmutation · emission · particle
chromosome
DNA strand carrying genes
- DNAHereditary code molecule
- chromatinNuclear protein-wrapped genetic material
- membraneThin tissue sheet
gene · replication · transcription · mitosis · meiosis · eukaryote · nucleoplasm · histone · RNA · ribosome
syllable
Unit of pronunciation
peak · sonority · stress · phoneme · prosody · rime · mora · tone · articulation
headquarters
Central command location
- bunkerReinforced subterranean stronghold
- operationsPlanned systematic activities
- militaryArmed forces collectively
strategic · control · base · central · compound · facility · war-room · installation
coma
Unwakeable unconsciousness
rocky · solar · orbit · sublimation · outgassing · Halley · debris · asteroid · meteoroid
- cellscells, blood cell, cell theory, nerve cell, red blood cell
- atomic physicsatom, atoms, electron, atomic number, atomic mass
- cell biologycell membrane, cell division, cytoplasm, ribosome, mitochondria
- geneticsDNA, allele, genotype, genes, gene
- Latin Wordsad, ad nauseam, et, caveat emptor, affidavit
- Nuclearatomic bomb, atomic bombs, uranium, reactors, fission
nucleusperiphery
Boundary or outer region
appendage · accessory · auxiliary · satellite · subsidiary
- nuclear bombFission or fusion weapon
- nuclear warArmed conflict using fission weapons
- nuclear arsenalStockpile of atomic bombs
- nuclear weaponsExplosive devices using fission
- nuclear powerEnergy from splitting atoms
- nuclear explosionViolent atomic energy release
nuclear, nucleic, nucleate, enucleation, nuclei, nucleolus, antinuclear, nuclear fission, nucleated