18 meaning in General Dictionary
one more than seventeen denoting an amount composed of yet another than seventeen and something under nineteen representing the amount eighteen as Arabic numerals
- becoming one more than seventeen
- the cardinal quantity that's the amount of seventeen plus one
Sentence Examples with the word 18
Sedanolic acid readily decomposes into water and its lactone sedanolid, C 12 H 18 0 2, the odorous constituent of celery oil.