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atom

atom

14 2.8
A very small amount of something, almost none
  • noun
  • /ˈætəm/
translation icon : partícula
  • There is always space between the molecules that allow atoms to move between them.
  • atom bomb

You ever think that maybe our solar system is just an atom in some giant's finger?

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Examples

  • But her mother knows, because in every atom of their body, they know what's right for their children and for their families.

  • Or worse yet, having every atom of your body fly apart.

    Academic text (2003)
  • To feel every atom in your body.

  • You know what they say, an atom a day is the foundation of all existence and matter.

  • We are now trying to build new chips, atom by atom, but you need a grade.

    Fiction book (2002)
  • The number of possible options is higher than the number of atoms in the known universe.

  • Now, technology is the ability to assemble things atom by atom.

  • Big changes often come in small packages, like an atom blooming in the desert.

  • In truth, each heart-breath is an atom of life-force being born one more time.

    Blog text (29)
  • Scientists have discovered that there are more stars in the universe than atoms on Earth.

Synonyms

particle
vsatom
  • Specialized
447 4.2

A very small piece or amount of something

is the smallest possible part rather than a general tiny piece
speck
vsatom
66 1.3

A very small spot or amount of something

is the smallest possible part rather than a visible dot
nanoparticle
vsatom
  • Specialized
10 6.5

A very small piece of material used in science and technology

is the smallest possible part rather than a larger particle with a specific size
mote
vsatom
  • Literature
4 8.2

A very small speck of dust or dirt

is the smallest possible part rather than just a small speck
corpuscle
vsatom
  • Archaic
1 9.4

A very small piece of a substance like a speck of dust

is the smallest possible part rather than a minute piece
atomy
vsatom
  • Archaic
9.9

A very small part of matter like a tiny particle

is the modern standard term rather than the obsolete form

Antonyms

41 2.5

How big or heavy something is

quite a little
  • Informal
3 6.6

A fairly large amount of something

Compounds

16 3.0

A very powerful weapon that splits atoms to cause a huge explosion

carbon atom
  • Specialized
4 3.0

An atom with six protons and six electrons that is the main part of many molecules in living things

hydrogen atom
  • Specialized
3 3.2

A very simple atom that has one proton and one electron

atom smasher
  • Informal
2 6.0

A large machine scientists use to make tiny particles move very fast and hit each other

gram atom
  • Archaic
7.5

An amount of an element that weighs in grams the same as its atomic weight

Rutherford atom
  • Archaic
9.3

A model where an atom's positive charge and mass are in a tiny central nucleus and electrons orbit it

How Small

iota
23 7.7
atom
14 2.8
particle
  • Specialized
447 4.2
bit
1.0

Surface Forms

atom singular
atoms plural

Etymology

Atom comes from Greek a- 'not' and tomos 'cut', meaning 'uncuttable'. So by extension the word now also means 'a very small amount', something too small to divide any further.