열여덟(의), 18의
Amounting to the quantity of eighteen; being one more than seventeen.
예문:
"We need eighteen chairs for the conference table."
"The recipe calls for exactly eighteen ounces of flour."
"She finished the marathon in eighteen hours, which was a personal best."
숫자 18
The cardinal number that is the sum of seventeen and one; the symbol 18 or XVIII representing this number.
예문:
"When you add nine and nine, the result is eighteen."
"My favorite number has always been eighteen, perhaps because of my birthday."
"The Roman numeral for eighteen is written as XVIII."
18세
The age of eighteen years, often marking legal adulthood.
예문:
"In many countries, you are legally considered an adult at eighteen."
"She received her driver's license right after turning eighteen."