Diphycercal, dif-i-ser′kal, adj. having the tail symmetrical (of fishes).—Also Diph′ycerc. [Formed from Gr. diphyēs, of double nature, kerkos, a tail.]
Diphyllous, dī-fil′us, adj. having two leaves. [Gr. di-, twice, and phyllon, a leaf.]
Diphyodont, dif′i-ō-dont, adj. having two sets of teeth.—n. a mammal possessing such.
Diphysite, dif′i-sīt, n. one who holds the doctrine of Diph′ysitism, or the belief of the existence of two natures in Christ, a divine and a human—opp. to Monophysite; less correctly Dioph′ysite, Diophys′itism. [Gr. di-, two, physis, nature.]
Dipleidoscope, di-plī′dō-skōp, n. an instrument for ascertaining the moment of passage of the sun or a star over the meridian. [Formed from Gr. diploos, double, eidos, appearance, skopein, to view.]
Diplex, dī′pleks, adj. pertaining to the transmission of two simultaneous messages over one wire in the same direction.
Diploe, dip′lō-ē, n. (anat.) the spongy tissue between the hard inner and outer tables of the skull.
Diplogenic, dip-lō-jen′ik, adj. producing two bodies.—n. Diplogen′esis, the production in duplicate of parts normally single. [Gr. diploos, double, genesis, generation.]
Diploma, di-plō′ma, n. a writing conferring some honour or privilege, as a university degree, &c.—v.t. to furnish with a diploma. [L.,—Gr. diplōma, a letter folded double—diploos, double.]
Diplomacy, di-plō′ma-si, n. the art of negotiation, esp. of treaties between states: political skill.—n. Diplomat′ic, a minister at a foreign court: (pl.) the science of deciphering ancient writings, as charters, decrees, &c.—paleography.—adjs. Diplomat′ic, -al, pertaining to diplomacy: skilful in negotiation.—adv. Diplomat′ically.—v.i. and v.t. Diplō′matise, to practise, or effect by, diplomacy.—ns. Diplō′matist, Dip′lōmat, one skilled in diplomacy; Diplomatol′ogy, the study or science of diplomatics, charters, decrees, &c.—Diplomatic corps, or Corps diplomatique, the whole body of foreign diplomatists resident at any court.