twenty-eight
[ twen-tee-eyt, twuhn- ]
/ ˈtwɛn tiˈeɪt, ˈtwʌn- /
noun
a cardinal number, 20 plus 8.
a symbol for this number, as 28 or XXVIII.
a set of this many persons or things.
adjective
amounting to 28 in number.