- the 17th letter of the English alphabet, a consonant.
- any spoken sound represented by the letter Q or q, as in quick, acquit, or Iraq.
- something having the shape of a Q.
- a written or printed representation of the letter Q or q.
- a device, as a printer's type, for reproducing the letter Q or q.
- quarterly.
- queen (def. 6).
- the 17th in order or in a series.
- the medieval Roman numeral for 500.
- glutamine.
- heat (def. 7).
- a unit of heat energy, equal to 1018 British thermal units (1.055 × 1021 joules).
- the ratio of the reactance to the resistance of an electric circuit or component.
- the symbol for material common to the Gospels of Matthew and Luke that was not derived from the Gospel of Mark.
- farthing.
- quart; quarts.
- query.
- question.
- quintal.
- quire.
- quarto.
- Quebec.
- Queen.
- question.
- (in Guatemala) quetzal; quetzals.
- quintal
- the 17th letter and 13th consonant of the modern English alphabet
- a speech sound represented by this letter, in English usually a voiceless velar stop, as in unique and quick
- queen
- question
- heat
- queue
- quart
- quarter
- quarterly
- quartermaster
- quarto
- Queen
- question