| IMPERIOUSLY | • imperiously adv. In an imperious manner; in the style of an emperor. • imperiously adv. In a way that brooks no refusal; commandingly. • IMPERIOUS adv. assuming command; haughty. |
| PERIODICALS | • periodicals n. Plural of periodical. • PERIODICAL n. a periodical publication. |
| PERIODICITY | • periodicity n. Recurrence of a woman’s periods; menstruation. • periodicity n. The quality of being periodic; tendency to recur at regular intervals. • periodicity n. (Mathematics) The quality of a function with a repeated set of values at regular intervals. |
| PERIODISING | • periodising v. Present participle of periodise. • PERIODISE v. to divide into periods, also PERIODIZE. |
| PERIODIZING | • periodizing v. Present participle of periodize. • PERIODIZE v. to divide into periods, also PERIODISE. |
| PERIODONTAL | • periodontal adj. Surrounding a tooth. • periodontal adj. Relating to the periodontium. • periodontal adj. Relating to periodontics. |
| PERIODONTIA | • PERIODONTIA n. the branch of dentistry concerned with periodontal diseases. |
| PERIODONTIC | • periodontic adj. Synonym of periodontal. • PERIODONTIC adj. relating to periodontia, the branch of dentistry concerned with periodontal diseases. |
| PERIONYCHIA | • PERIONYCHIUM n. tissue surrounding a nail. |
| PERIOSTITIC | • periostitic adj. Related to periostitis. • PERIOSTITIC adj. relating to periostitis, inflammation of the periosteum. |
| PERIOSTITIS | • periostitis n. Inflammation of a periosteum. • PERIOSTITIS n. inflammation of the periosteum. |
| PHOTOPERIOD | • photoperiod n. (Biology) The normal duration of natural daylight experienced by an organism; daylength. • PHOTOPERIOD n. the period during every 24 hours when an organism is exposed to daylight. |
| SUPERIORESS | • superioress n. A mother superior. • SUPERIORESS n. the head of a nunnery. |
| SUPERIORITY | • superiority n. The state of being superior. • superiority n. (Scotland, law, historical) The right which the superior enjoys in the land held by the vassal. • SUPERIORITY n. the state of being superior. |