plural equations
1
mathematics
: a statement that two expressions are equal (such as 8 + 3 = 11 or 2x - 3 = 7)
solve an equation
2
: a complicated situation or issue
—usually singular
Helping a troubled teenager is more difficult when drugs are part of the equation. [=when drugs are involved]
The southern states will be an important part of the election equation.
3
: the act of regarding two things as the same : the act of equating things
the equation of material wealth with/and happiness
Cite this Entry
“Equation.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/equation. Accessed 16 Jun. 2026.
Copy Citation
