This is the 6035th most frequent Japanese word.
イコール
"Equals" or "equivalent."
The word "イコール" refers to the concept of equality or the equals sign in mathematical contexts.
数学では、イコール記号は等しいことを示します。
In mathematics, the equals sign represents equality.
Here, "イコール" is used metaphorically to denote equivalence or correlation between two concepts.
彼の努力は、成功への鍵とイコールです。
His effort is equal to the key to success.
In this sentence, "イコール" signifies the principle of equality and fairness among people.