equation
gb/ɪkwˈeɪʒən/ us/ɪkwˈeɪʒən/
A2
English
~ 2500
egyenlet, képlet, egyensúly, reakcióegyenlet, kémiai egyenlet
NOUN
A2
1
egyenlet
B1
Usage pattern:
[someone] solves [an equation]
The teacher asked us to solve the equation for x.
A tanár arra kért minket, hogy oldjuk meg az egyenletet x-re.
This equation represents the relationship between distance, speed, and time.
Ez az egyenlet a távolság, a sebesség és az idő közötti összefüggést fejezi ki.
Balancing a chemical equation ensures mass is conserved.
He used a simple equation to calculate the monthly payment.
The graph shows the solution set for the given equation.
Learner examples
I can solve this equation.
Meg tudom oldani ezt az egyenletet.
The equation has two numbers.
Az egyenletben két szám van.
We write the equation with an equals sign.
This is a hard equation for me.
She checks if the equation is correct.
Common mistake:
Learners sometimes confuse 'equation' with 'expression'; an expression does not have an equals sign, but an equation does.
Meaning
Mathematical statement of equality
Collocations
solve an equation
|linear equation
|quadratic equation
|balance an equation
|equation in x
Synonyms
formula (Similar in mathematics, but a formula expresses a relationship, not necessarily an equality to solve.)
Themes
mathematics
|education
|science
Definition
A math sentence that says two things are the same, using an equals sign.
A mathematical statement that shows two expressions are equal, usually containing numbers, variables, and an equals sign.
NOUN
B2
2
Usage pattern:
the equation between [things]
Trust is an important part of the equation in a healthy relationship.
Egy egészséges kapcsolat képletének fontos része a bizalom.
The new evidence changes the whole political equation.
Az új bizonyíték megváltoztatja az egész politikai képletet.
In business, customer satisfaction is only one part of the equation.
Adding more staff could alter the equation of the project’s success.
Climate change adds a new factor to the environmental equation.
Learner examples
Trust is part of the equation.
A bizalom is a képlet része.
Money is part of the success equation.
A pénz is része a siker képletének.
The new rule changes the equation.
Many things are in the equation.
The problem has a new equation now.
Common mistake:
Learners may incorrectly think 'equation' here always refers to math; in this sense it's metaphorical for a balanced situation.
Meaning
Balance of different factors
Collocations
political equation
|economic equation
|change the equation
|part of the equation
Synonyms
balance (Emphasizes stability between elements rather than equality in a mathematical sense.)
Antonyms
imbalance (Refers to a lack of equality or fairness between factors.)
Themes
relationships
|analysis
|core_vocabulary
Definition
A situation where different things have the same importance or effect.
A situation in which different elements or factors are treated as equal or are in balance.
NOUN
B1
TECHNICAL
3
In chemistry class, we learned how to balance equations.
Kémiaórán megtanultuk, hogyan kell reakcióegyenleteket rendezni.
This chemical equation shows hydrogen reacting with oxygen to make water.
Ez a kémiai egyenlet azt mutatja, hogy a hidrogén oxigénnel reagál, és víz keletkezik.
Every chemical equation must obey the law of conservation of mass.
She wrote the equation for photosynthesis on the board.
The balanced equation shows two molecules of hydrogen for every molecule of oxygen.
Learner examples
We write the chemical equation on paper.
Leírjuk papírra a kémiai egyenletet.
This is a chemical equation for water.
Ez a víz képződésének kémiai egyenlete.
The teacher shows us how to balance an equation.
The equation has H and O in it.
This is the chemical equation for fire.
Common mistake:
Some learners may confuse chemical equations with mathematical equations; clarify that chemicals use element symbols and coefficients instead of numbers and variables only.
Meaning
Symbolic chemical reaction representation
Collocations
balance a chemical equation
|chemical reaction equation
|write an equation
Synonyms
reaction formula (Less common term; specifically refers to chemical reactions.)
Themes
chemistry
|science
|education
Definition
A way to write a chemical change using symbols and numbers.
A symbolic representation in chemistry showing the reactants, products, and their proportions in a chemical reaction.
Grammar
Dictionary form
equation
IPA
GB/ɪkwˈeɪʒən/
US/ɪkwˈeɪʒən/
Syllables & stress
equa - tion (2 syllables)
Stress on 2nd syllable (tion)
Word forms
Noun
- Base: equation
- Plural: equation, equations
Word family
Forms
equations
noun
Related words
Negative and opposite forms
unequal
adjective B2
inequality
noun B2
Advanced or less common
equalization
noun
Expressions
change the equation
1/t͡ʃˈeɪnd͡ʒ ðə ɪkwˈeɪʒən/
fixed phrase
Alter balance or outcome
To make something that changes how a situation works or ends.
Examples
- The new law could change the economic equation completely.
- Her arrival changed the political equation in the city.
part of the equation
1/pˈɑɹt əv ðə ɪkwˈeɪʒən/
fixed phrase
One factor in a situation
One thing that is included when thinking about a situation or problem.
Examples
- Cost is just part of the equation when buying a house.
- In training athletes, diet is part of the equation.