atom
gb/ˈætəm/ us/ˈætəm/
B1
Angol
~ 2500
Jelentések
0 jelentés
Főnév
technical
B1
entity
1
smallest unit of an element
The tiniest part of an element that still has the same properties as that element.
Használati minta:
an atom of [element]
Gyakori hiba:
Learners sometimes confuse 'atom' with 'molecule'. An atom is a single particle of an element; a molecule is two or more atoms joined together.
Szinonimák
particle (A more general term for a small piece of matter, not necessarily a chemical element.)
Antonimák
molecule (A molecule is made of two or more atoms bonded together, so it is larger and more complex.)
Szókapcsolatok
split an atom
|hydrogen atom
|carbon atom
|atomic structure
|atom model
Témák
science
|chemistry
|physics
Példák
- A water molecule is made up of two hydrogen atoms and one oxygen atom.
- Scientists can split an atom to release energy.
- Every atom of gold has the same number of protons.
Példák tanulóknak
- An atom is very small.
- This is an atom of oxygen.
- Atoms make up all things.
Főnév
B2
quantity
2
a very tiny amount
A very, very small amount of something.
Használati minta:
not an atom of [something]
Gyakori hiba:
Learners may overuse this figuratively; it is more common in formal or literary contexts than in casual speech.
Szinonimák
bit (A small amount, but less emphatic than 'atom'.)
Antonimák
lot (A large amount, opposite in quantity.)
Szókapcsolatok
not an atom of truth
|without an atom of doubt
Témák
measurement
|figurative
|core_vocabulary
Példák
- There isn’t an atom of truth in his story.
- She didn’t have an atom of doubt about his honesty.
- He showed not an atom of fear.
Példák tanulóknak
- There is not an atom of sugar in this tea.
- He has not an atom of doubt.
- She does not have an atom of fear.
Nyelvtan
Szótári alak
atom
IPA
GB/ˈætəm/
US/ˈætəm/
Szótagolás és hangsúly
atom (1 szótag)
Stress on 1st syllable (atom)
Szóalakok
Noun
- Base: atom
- Plural: atoms
Szócsalád
Forms
atoms
noun
Core family
atomic
adjective B2
Related words
atomize
verb
atomization
noun
Advanced or less common
subatomic
adjective
atomically
adverb
Kifejezések
not an atom of truth
1/nˈɑt ən ˈætəm əv tɹˈuθ/
fixed phrase
no truth at all
It means that something is completely false.
Példák
- There is not an atom of truth in those rumors.
- His statement contained not an atom of truth.
split the atom
1/splˈɪt ðə ˈætəm/
fixed phrase
technical
break apart an atomic nucleus
To break the center of an atom to release energy.
Példák
- Nuclear power plants do not literally split the atom in the same way as early experiments did.
- The discovery that you could split the atom changed history.