atom
gb/ˈætəm/ us/ˈætəm/
B1
الإنجليزية
~ 2500
atom, nyomnyi mennyiség, csipetnyi, fikarcnyi, szemernyi, szikrányi
اسم
B1
TECHNICAL
1
atom
B1
نمط الاستخدام:
an atom of [element]
A water molecule is made up of two hydrogen atoms and one oxygen atom.
Egy vízmolekula két hidrogénatomból és egy oxigénatomból áll.
Scientists can split an atom to release energy.
A tudósok fel tudnak hasítani egy atomot, hogy energiát szabadítsanak fel.
Every atom of gold has the same number of protons.
أمثلة للمتعلّمين
An atom is very small.
Az atom nagyon kicsi.
This is an atom of oxygen.
Ez egy oxigénatom.
Atoms make up all things.
خطأ شائع:
Learners sometimes confuse 'atom' with 'molecule'. An atom is a single particle of an element; a molecule is two or more atoms joined together.
المعنى
smallest unit of an element
المتلازمات اللفظية
split an atom
|hydrogen atom
|carbon atom
|atomic structure
|atom model
المرادفات
particle (A more general term for a small piece of matter, not necessarily a chemical element.)
الأضداد
molecule (A molecule is made of two or more atoms bonded together, so it is larger and more complex.)
الموضوعات
science
|chemistry
|physics
التعريف
The tiniest part of an element that still has the same properties as that element.
The smallest unit of a chemical element that retains the properties of that element, consisting of a nucleus and electrons.
اسم
B2
2
نمط الاستخدام:
not an atom of [something]
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.
أمثلة للمتعلّمين
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.
خطأ شائع:
Learners may overuse this figuratively; it is more common in formal or literary contexts than in casual speech.
المعنى
a very tiny amount
المتلازمات اللفظية
not an atom of truth
|without an atom of doubt
المرادفات
bit (A small amount, but less emphatic than 'atom'.)
الأضداد
lot (A large amount, opposite in quantity.)
الموضوعات
measurement
|figurative
|core_vocabulary
التعريف
A very, very small amount of something.
An extremely small quantity of something, often used figuratively to emphasize minuteness.
القواعد
الصيغة المعجمية
atom
IPA
GB/ˈætəm/
US/ˈætəm/
المقاطع والنبر
atom (١ مقطع)
Stress on 1st syllable (atom)
تصريفات الكلمة
Noun
- Base: atom
- Plural: atoms
عائلة الكلمة
Forms
atoms
noun
Core family
atomic
adjective B2
Related words
atomize
verb
atomization
noun
Advanced or less common
subatomic
adjective
atomically
adverb
التعبيرات
not an atom of truth
1/nˈɑt ən ˈætəm əv tɹˈuθ/
fixed phrase
no truth at all
It means that something is completely false.
أمثلة
- 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.
أمثلة
- 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.