1. (noun) (nontechnical usage) a tiny piece of anything

• corpuscle
• molecule
• mote
• particle
• speck

1. (noun) (physics and chemistry) the smallest component of an element having the chemical properties of the element

• carbon atom
• free radical
• radical
• hydrogen atom
• isotope
• monad

2. (noun) (nontechnical usage) a tiny piece of anything

• chylomicron
• flyspeck
• grain
• grinding
• identification particle

1. (noun) (physics and chemistry) the smallest component of an element having the chemical properties of the element

• chemical science
• chemistry
• natural philosophy
• physics

1. (noun) (physics and chemistry) the smallest component of an element having the chemical properties of the element

• substance

2. (noun) (nontechnical usage) a tiny piece of anything

• material
• stuff

1. (noun) (physics and chemistry) the smallest component of an element having the chemical properties of the element

• atomic
• atomise
• atomise
• atomize
• atomize
• atomise
• atomize

2. (noun) (nontechnical usage) a tiny piece of anything

• atomic
• atomise
• atomize
• molecular