| CATADIOPTRIC | • catadioptric adj. (Optics) Of or pertaining to optical systems that employ both refractive (dioptric) and reflective (catoptric)… • CATADIOPTRIC adj. relating to or employing both reflection and refraction, as in the construction of some long-focal-length photographic lenses, also CATADIOPTRICAL. |
| DICTATORSHIP | • dictatorship n. A type of government where absolute sovereignty is allotted to an individual or a small clique. • dictatorship n. A government which exercises autocratic rule. • dictatorship n. Any household, institution, or other organization that is run under such sovereignty or autocracy. |
| DIPHTHERITIC | • diphtheritic adj. (Medicine) Resembling or related to diphtheria. • DIPHTHERITIC adj. relating to diphtheria. |
| DIPHTHERITIS | • diphtheritis n. (Dated) diphtheria. • DIPHTHERITIS n. diphtheria. |
| DISPIRITMENT | • dispiritment n. Dispiritedness; disheartenment. • DISPIRITMENT n. a state of being dispirited. |
| DITTOGRAPHIC | • dittographic adj. Relating to or exhibiting dittography. • DITTOGRAPHIC adj. relating to dittography, the unintentional repetition of letters in print. |
| PAEDIATRISTS | • paediatrists n. Plural of paediatrist. • pædiatrists n. Plural of pædiatrist (alternative spelling of podiatrists). • PAEDIATRIST n. a specialist in child care, also PEDIATRIST. |
| PARTICIPATED | • participated v. Simple past tense and past participle of participate. • PARTICIPATE v. to take part in. |
| PERICLITATED | • periclitated v. Simple past tense and past participle of periclitate. • PERICLITATE v. (archaic) to endanger; to jeopardise. |
| PERIODONTIST | • periodontist n. A dentist whose speciality is periodontics. • PERIODONTIST n. a dentist specialising in periodontics. |
| PREADMITTING | • preadmitting v. Present participle of preadmit. • PREADMIT v. to admit beforehand. |
| PRECIPITATED | • precipitated adj. Hastened; hurried. • precipitated adj. Deposited from a solution, vapour or state of suspension into gas. • precipitated v. Simple past tense and past participle of precipitate. |
| PRODUCTIVITY | • productivity n. The state of being productive, fertile or efficient. • productivity n. The rate at which goods or services are produced by a standard population of workers. • productivity n. The rate at which crops are grown on a standard area of land. |
| TREPIDATIONS | • trepidations n. Plural of trepidation. • TREPIDATION n. timorous uncertain agitation. |
| TREPIDATIOUS | • trepidatious adj. In a state of trepidation; fearful. |
| TRICUSPIDATE | • tricuspidate adj. Three-pointed; ending in three points. • TRICUSPIDATE adj. having three cusps, or points; as, a tricuspidate molar, also TRICUSPID, TRICUSPIDAL. |
| TRIPUDIATING | • tripudiating v. Present participle of tripudiate. • TRIPUDIATE v. to dance for joy; to exult; to stamp. |
| TRIPUDIATION | • tripudiation n. (Formal, obsolete) The act of dancing. • TRIPUDIATION n. dancing for joy. |