eighteenthordinal number
uk/ˌeɪˈtiːnθ/us/ˌeɪˈtiːnθ/18th written as a word:
Next Monday is the eighteenth (of February).
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Numbers: ordinal
- billionth
 - eighth
 - eleventh
 - fiftieth
 - fortieth
 - fourth
 - millionth
 - nano-
 - nineteenth
 - quinti
 - seventh
 - sixteenth
 - sixth
 - tertius
 - thirteenth
 - thirtieth
 - thousandth
 - twelfth
 - twenty-first
 - umpteen
 
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eighteenthnoun [ C ]
uk/ˌeɪˈtiːnθ/us/ˌeɪˈtiːnθ/one of 18 equal parts of something
Thesaurus: synonyms and related words
Fractions
- complex fraction
 - deci-
 - decimal place
 - fifth
 - fiftieth
 - fraction
 - improper fraction
 - millionth
 - mixed fraction
 - proper fraction
 - quadrant
 - quarter
 - quartile
 - seventh
 - sixteenth
 - sixth
 - thirtieth
 - thousandth
 - three quarters
 - twelfth
 
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