- - First thirteen letters? That's very small amount
- - tiny amount of matter
- - Small amount to put in before noon
- - Cash dispenser containing nothing or tiny amount
- - Microscopic amount
- - Microscopic building block
- - Bit that bonds
- - Symbol on the Springfield Nuclear Power Plant cooling towers
- - Something that's around a quadrillion times smaller than a speck of dust
- - Particle which is the basic building block of all matter
- - clothes initially on pile found to be inexpensive
- - bonding partner
- - Small part of a potato masher
- - ... Smasher (size-changing superhero in Black Adam)
- - Smallest item of litter?
- - Building block of all matter
- - Molecule resident
- - Neutron's locale
- - what the emmy-statuette lady holds
- - to take a morning, you have to split it
- - Elementary particle in first half of dictionary?
- - a cat, or a tiny part of one
- - particle to be inserted in the morning
- - Part of every living thing
- - Bohr theory focus
- - Tiny partide
- - Something tiny to get included in period before noon
- - Nucleus and its electrons
- - ... bomb, nuclear weapon
- - It's often drawn with three ellipses
- - ... bomb (Manhattan Project's subject)
- - an electron cloud surrounds its nucleus
- - Small particle that's studied in chemistry
- - a little bit of a cat
- - Life's basic building block
- - High school model, maybe
- - Nuclear fission happens if you split one
- - ...... ant (tiny cartoon superhero)
- - Smashed item in a lab
- - The smallest particle of a chemical element
- - basic building block of matter
- - tiny part of a cat
- - Shrinking superhero on DC's Legends of Tomorrow
- - Smaller than a molecule
- - Molecule's building block
- - through it's very small, it could be of earth-shattering significance
- - one of over 5 sextillion in a drop of water
- - Unit of iron weighing about 93 yoctograms
- - A bit for a cat
- - It's hardly any matter at all
- - Powerful little energy source
- - Minuscule particle of matter
- - half the alphabet studied by physicists
- - Shred the first thirteen letters
- - Even tattoos my smallest particle
- - physics entity
- - am about to make a small particle
- - ... smasher (particle accelerator)
- - Particle that's Ryan Choi's superhero name
- - Half the alphabet? This was split some time ago
- - It has a nucleus and valence shell
- - smallest part of an element
- - Cyclotron morsel
- - minute fragment for a man
- - Bit of boron, say
- - Particle that's split to make nuclear energy
- - unit that's dangerous to divide
- - Not much of a cat
- - Itty-bitty bit to split
- - site of electrons
- - What the Emmy statue's winged woman is holding
- - Source of energy — a cat?
- - "Legends of Tomorrow" superhero who can shrink
- - Teeniest-tiniest bit
- - Miniscule physics particle
- - it has a nucleus
- - Smallest part
- - bohr-ing unit of matter
- - Bohr focus
- - Molecule part that sounds like a name
- - Electron holder
- - Symbol in The Big Bang Theory logo
- - Bit in potato mash
- - A cat gets very little
- - Smallest particle in anything
- - Research subject for which Bohr won a Physics Nobel
- - Collider bit
- - Chemistry's elementary bit
- - Nucleus container
- - smashable source of energy
- - Elementary particle inside a molecule
- - It's 99.9% "empty space"
- - Unit of matter studied in physics class
- - element's smallest part
- - It may be bonded
- - Protons, neutrons and electrons reside inside it
- - Tiny molecule part
- - Its name comes from the Greek for "uncuttable"
- - Ariel ... (sports car named after a molecule part)
- - Smallest part of a chemical element
- - Smallest particle of an element
- - Maybe the tiniest energy source there is
- - the smallest component of an element having the chemical properties of the element
- - Shrinking superhero in the DC Universe
- - Component of a molecule
- - Tiny bit of matter that can be split
- - Nucleus's place
- - Either "O" in an oxygen molecule
- - The smallest quantity of an element that can take part in a chemical reaction
- - Tiny particle that can form a bond
- - Elementary bit that is home to an electron, say
- - Any element's smallest particle that can exist either alone or in combination
- - locale for orbitals
- - site of a quark
- - Only half the characters, little matter
- - A bit of a cat
- - Fundamental unit
- - The fundamental building blocks of matter
- - A cat had a very tiny bit
- - it was first split at cambridge in 1932
- - One of three in a carbon dioxide molecule
- - Scrap a safety test, on reflection
- - a cat that can make a mighty bang
- - very small part of n.a.t.o. manoeuvres
- - Smallest part of something
- - Particle that may be smashed
- - minute particle to be seen in the morning
- - bohr bit?
- - A French word returned is a particle
- - A cat is a tiny little thing
- - Smallest constituent of any element
- - Particle that's split during nuclear fission
- - Chemistry class topic
- - It has quarks
- - Tiny particle studied by a physicist
- - Mighty mite
- - Cyclotron particle
- - Fermi's bit
- - Basic building block
- - Molecular component
- - Split bit
- - Bit of nuclear physics
- - Splittable bit
- - Elemental particle
- - Basic unit for the elements
- - Tiny power source
- - Positron's place
- - It may be split
- - Half the dictionary?
- - Bit to split
- - Basic bit
- - Wee thing
- - Unseen energy source
- - Unit of matter
- - Tiny energy source
- - Subject of a split
- - Physics subject
- - Minuscule bit
- - It's just a little bit
- - It was once thought to be indivisible
- - Elemental building block
- - Chemistry class subject
- - Building block of matter
- - Bond bit
- - Site of tiny orbits
- - Place for protons
- - Fissionable unit
- - Element element
- - Basic unit of matter
- - Wee particle
- - Tiny part of a molecule
- - Source of nuclear energy
- - Smashing subject
- - Smasher input
- - Small unit of matter
- - Small building block
- - Power particle
- - Potent particle
- - Nuclear weapon, ... bomb
- - Molecular building block
- - Kind of smasher
- - Half the alphabet?
- - A little bundle of energy
- - A bit smashed?
- - What the Bohr model models
- - Type of nuclear bomb
- - Tiny source of nuclear energy
- - Tiny powerhouse
- - Supercollider collider
- - Reactor factor
- - Quarky item?
- - Physicist's unit
- - Molecule unit
- - Molecule member
- - Molecule maker
- - Molecular bit
- - Lepton's locale
- - Item discussed by Lucretius
- - It's smaller than a molecule
- - It may get smashed
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- [ Other definitions ]