a. [ Gr. 'ale`xein to keep off + pyreto`s burning heat, fever, py^r fire. ] (Med.) Serving to drive off fever; antipyretic; antifebrile. [ archaic ] -- n. An antipyretic drug; a febrifuge. [ archaic ] [ 1913 Webster + AS ]

‖n. [ NL., fr. Gr. 'anti` against + &unr_; to be feverish, fr. &unr_; fire. ] (Med.) The condition or state of being free from fever. [ 1913 Webster ]

a. (Med.) Efficacious in preventing or allaying fever. -- n. A febrifuge. [ 1913 Webster ]

a. [ Pref. a&unr_; not + pyretic. ] (Med.) Without fever; -- applied to days when there is an intermission of fever. Dunglison. [ 1913 Webster ]

a. (Med.) Relating to apyrexy. “Apyrexial period.” Brande & C. [ 1913 Webster ]

{ ‖ } n. [ NL. apyrexia, fr. Gr. &unr_;; 'a priv. + &unr_; to be feverish, fr. &unr_; fire: cf. F. apyrexie. ] (Med.) The absence or intermission of fever. [ 1913 Webster ]

n. an editor who prepares text for publication.
Syn. -- copy editor, text editor. [ WordNet 1.5 ]

n. [ Gr. di- = di`s- twice fire. ] (Min.) A mineral of the scapolite group; -- so called from the double effect of fire upon it, in fusing it, and rendering it phosphorescent. [ 1913 Webster ]

a. [ Pref. di- + pyrene. ] (Bot.) Containing two stones or nutlets. [ 1913 Webster ]

a. [ L. empyrius, empyreus, fiery, Gr. &unr_;, &unr_;, in fire, fiery; &unr_; in + &unr_; fire. See In, and Fire. ] Formed of pure fire or light; refined beyond aërial substance; pertaining to the highest and purest region of heaven. [ 1913 Webster ]

Go, soar with Plato to the empyreal sphere. Pope. [ 1913 Webster ]

Empyreal air, oxygen gas. [ 1913 Webster ]

n. Empyrean. Mrs. Browning. [ 1913 Webster ]

n. [ See Empyreal. ] The highest heaven, where the pure element of fire was supposed by the ancients to subsist. [ 1913 Webster ]

The empyrean rung
With hallelujahs. Milton. [ 1913 Webster ]

a. Empyreal. Akenside. [ 1913 Webster ]

‖n. [ NL., from Gr. &unr_; a live coal covered with ashes, fr. &unr_; to set on fire, fr. &unr_;: cf. F. empyreume. See Empyreal. ] (Chem.) The peculiar smell and taste arising from products of decomposition of animal or vegetable substances when burnt in close vessels.

{ } a. [ Cf. F. empyreumatique. ] Of or pertaining to empyreuma; as, an empyreumatic odor. [ 1913 Webster ]

Empyreumatic oils, oils obtained by distilling various organic substances at high temperatures. Brande & C. [ 1913 Webster ]

v. t. To render empyreumatic. [ R. ] [ 1913 Webster ]

‖n. [ NL. See Hyper-, and Pyrexia. ] (Med.) A condition of excessive fever; an elevation of temperature in a disease, in excess of the limit usually observed in that disease. [ 1913 Webster ]

a. [ Mono- + pyrene. ] (Bot.) Having but a single stone or kernel. [ 1913 Webster ]

a. Of or pertaining to papyrus, or to paper; papyraceous. [ 1913 Webster ]

n. [ L. pure, Gr. &unr_;, fr. &unr_; fire. See Fire. ] A funeral pile; a combustible heap on which the dead are burned; hence, any pile to be burnt. [ 1913 Webster ]

For nine long nights, through all the dusky air,
The pyres thick flaming shot a dismal glare. Pope. [ 1913 Webster ]

‖n.; pl. Pyrenæ [ NL., fr. Gr. &unr_;, the stone of fruit. ] (Bot.) A nutlet resembling a seed, or the kernel of a drupe. Gray. [ 1913 Webster ]

n. [ Gr. &unr_; fire. ] (Chem.) One of the less volatile hydrocarbons of coal tar, obtained as a white crystalline substance, C16H10. [ 1913 Webster ]

n. (Bot.) Same as Pyrena. [ 1913 Webster ]

a. [ L. Pyrenaei (sc. montes) the Pyrenees, fr. Pyrene, Gr.&unr_; a daughter of Bebryx, beloved by Hercules, and buried upon these mountains. ] Of or pertaining to the Pyrenees, a range of mountains separating France and Spain. -- n. The Pyrenees. Shak. [ 1913 Webster ]

n. [ Gr. &unr_; like a kernel. See Pyrena, and -oid. ] (Zool.) A transparent body found in the chromatophores of certain Infusoria. [ 1913 Webster ]

n. [ NL. Pyrethrum, generic name of feverfew, Gr. &unr_; feverfew. ] (Chem.) A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor. [ 1913 Webster ]

n. (Chem.) An alkaloid extracted from the root of the pellitory of Spain (Anacyclus pyrethrum). [ 1913 Webster ]

a. [ Gr. &unr_; burning heat, fever, from &unr_; fire: cf. F. pyrétique. ] (Med.) Of or pertaining to fever; febrile. [ 1913 Webster ]

n. [ Gr. &unr_; fever + -logy: cf. F. pyrétologie. ] (Med.) A discourse or treatise on fevers; the doctrine of fevers. Hooper. [ 1913 Webster ]

‖n.; pl. Pyrexiæ [ NL., fr. Gr. &unr_; to be feverish, akin to &unr_; fever. ] (Med.) The febrile condition. [ 1913 Webster ]

{ } a. (Med.) Of or pertaining to fever; feverish. [ 1913 Webster ]