The person or thing in the twenty-eighth position. / One of twenty-eight equal parts of a whole.

The ordinal form of the number eighteen.

The person or thing in the eighteenth position. / One of eighteen equal parts of a whole. / (informal) A party to celebrate an eighteenth birthday.

The ordinal form of the number eighty.

The person or thing in the eightieth position. / One of eighty equal parts of a whole.

(physics) A gaseous superfluid phase of matter in which all the particles have the same quantum state.

Number between eighty-seven and eighty-nine; decimal 88 / An abbreviation for 'Hugs and kisses' in amateur radio. Used especially in Morse code. / (slang) A piano (from the number of keys)

Any one (of two). / Each of two; both. / (now rare) Any one (of more than two).

One or the other of two people or things. / (obsolete) Both, each of two or more.

(conjunctive, after a negative) As well.