Diphyodont
(Diph"y*o*dont) a. [Gr. double (di- = di`s- twice + to produce) + 'odoy`s, 'odo`ntos, tooth.]
(Anat.) Having two successive sets of teeth one succeeding the other; as, a diphyodont mammal; diphyodont
dentition; — opposed to monophyodont. — n. An animal having two successive sets of teeth.
Diphyozooid
(Diph`y*o*zo"oid) n. [Gr. of double from + E. zooid.] (Zoöl.) One of the free-swimming
sexual zooids of Siphonophora.
Diplanar
(Di*pla"nar) a. [Pref. di- + plane.] (Math.) Of or pertaining to two planes.
Dipleidoscope
(Di*plei"do*scope) n. [Gr. double + image + -scope.] (Astron.) An instrument for determining
the time of apparent noon. It consists of two mirrors and a plane glass disposed in the form of a prism,
so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye,
moving in opposite directions, and coinciding at the instant the sun's center is on the meridian.
Diploblastic
(Dip`lo*blas"tic) a. [Gr. doublet + -blast + -ic.] (Biol.) Characterizing the ovum when it has
two primary germinal layers.
Diplocardiac
(Dip`lo*car"di*ac) a. [Gr. double + E. cardiac.] (Anat.) Having the heart completely divided
or double, one side systemic, the other pulmonary.
Diplococcus
(||Dip`lo*coc"cus) n.; pl. Diplococci [NL., fr. Gr. diplo`os twofold + ko`kkos grain, seed.]
(Biol.) A form of micrococcus in which cocci are united in a binary manner. See Micrococcus.
Diploë
(||Dip"lo*ë) n. [NL., fr. Gr. fold, fr. twofold, double.] (Anat.) The soft, spongy, or cancellated substance
between the plates of the skull.
Diploetic
(Dip`lo*et"ic) a. (Anat.) Diploic.
Diplogenic
(Dip`lo*gen"ic) a. [Gr. double + the root of to produce.] Partaking of the nature of two bodies; producing
two substances. Wright.
Diploic
(Di*plo"ic) a. (Anat.) Of or pertaining to the diploë.
Diploid
(Dip"loid) n. [Gr. twofold + -oid.] (Crystallog.) A solid bounded by twenty- four similar quadrilateral
faces. It is a hemihedral form of the hexoctahedron.
Diploma
(Di*plo"ma) n.; pl. Diplomas [L., fr. Gr. fr. to double, fr. twofold. See Double.] A letter or
writing, usually under seal, conferring some privilege, honor, or power; a document bearing record of a
degree conferred by a literary society or educational institution.
Diplomacy
(Di*plo"ma*cy) n. [F. diplomatie. This word, like supremacy, retains the accent of its original.
See Diploma.]
1. The art and practice of conducting negotiations between nations including the methods and forms
usually employed.
2. Dexterity or skill in securing advantages; tact.
3. The body of ministers or envoys resident at a court; the diplomatic body. [R.] Burke.
Diplomat
(Dip"lo*mat Dip"lo*mate) , n. [F. diplomate.] A diplomatist.
Diplomate
(Dip"lo*mate) v. t. To invest with a title or privilege by diploma. [R.] Wood.
Diplomatial
(Dip`lo*ma"tial) a. Diplomatic. [R.]
Diplomatic
(Dip`lo*mat"ic Dip`lo*mat"ic*al) a. [Cf. diplomatique.]
