diadem (diadem)

[ F. diadème = Sp. Pg. It. dia dem a, dēma, fillet, 1 2 διά, through, + δεῖν, bind, tie.] 1. Anciently, a head-band or fillet worn by kings as a badge of royalty. It was made of silk, linen, or wool, and encircled the temples and forehead, the ends being tied behind, so as to fall on the neck. It was originally white and plain, but was later embroidered with gold or set with pearls or precious stones, and little by little increased in richne until it was developed into the modern crown. 1. Part hi an Diadem. 2. Jeweled Diadem of Const an tine. (From ancient coins.) The hair, instead of being arranged in spiral curls over the brow and temples, is twined as if round a concealed A. S. Murray , Greek Sculpture, I. 108. diadem. 2. Anything worn on the head as a mark or badge of royalty; a crown. A crown, Golden in show, is but a wreath of thorns; Brings dangers, troubles, cares, and sleeple nights To him who wears the regal diadem . IMG:content-2548.png:[blocks in formation] Diadem a tidæ (dia-de-mat'i-dē), n . pl . [NL., Diadem a ( t ) + -idæ .] A family of desmos- tick tichous or regular sea-urchins, order Endocy- clica , represented by the genus Diadem a , hav- ing a thin test, very long, hollow, fragile ver- ticillate spines, crenulate perforate tubercles, and notched peristome. diademed (di'a-demd), p . a . [ diadem + -ed2 . ] In her ., surrounded or surmounted by a circle, like a halo or glory: applied to the eagle of the Holy Roman Empire, the two heads of which were anciently diademed to distinguish them from the similar bearings of other princes, which were simply crowned. diadem-spider (di'a-dem-spider), n. A name of Epcira diadem a , the common garden-spider: so called from its markings. See cut under cro - spider . diadexis (di-a-dek's is), n. [NL., διάδεξις , a taking from, succe ion, relief, διαδέχεσθαι , take from, succeed to, διά , through, + δέχεσθαι , take, receive.] In pathol . , a transformation of a disease into another, differing from the for- mer in both its nature and its seat. Dunglison , Diadochi (di-ad'ō-ki), n. pl. [NL., διά- δοχοι , pl. of διάδοχος , a succe or, prop. adj., succeeding, διαδέχεσθαι , succeed to, receive from another: see diadexis .] The Maced on i an generals of Alexander the Great, who, after his death in 323 в. с., divided his empire. Since the time of Alexander many Jews have been led to settle beyond Palestine, either with commercial objects or attracted by the privileges conferred by the diadochi on the inhabitants of the cities they founded. Encyc. Brit ., XVIII. 760. Diadochi an (di-a-dō'ki-an), a . [ Diadochi + -ian .] Relating to the Diadochi. Near the marble steps were various remains belonging to a monument of small dimensions and lavish Diadochi an ornamentation. J. T. Clarke, Rep. of A os Expedition, 1881, p. 40. diadochite (dī-ad'ō-kit), n. [ Diadochi ) (in allusion to its relation to the arseniate pitticite or iron sinter), + -ite2 .] A hydrous iron phosphate with iron sulphate occurring in stalactitic forms of a yellowish-brown color and resinous luster. Diadophis (dī-ad'ō-fis), n. [NL. (Baird and Girard, 1853), διάδ ( ημα ), a band or fillet, + όφις , a snake.] A genus of Colubridæ , having the head distinct, the body slender with smooth scales, the post abdominal scutella bifid, the subcaudals all divided, the cephalic plates normal, with a well-developed loral, 2 post orbitals, 2 ante orbitals, and 2 nasals, between which latter is the nostril. The best-known species is D. punc tatus , the ring-necked snake, found in many parts of the United States, a very common and pretty snake, quite harmle , of small size, and dark-green color above and yellowish below, with a yellowish ring round the neck. There are several others. Milton, P. R., ii. 461. diadromt (di'a-drom), n. [ IMG:content-2549.png:[blocks in formation] δρομος, a running through. A philosophical foot [is] one third of a pendulum, whose diadroms , in the latitude of forty-five degrees, are equal to one second of time, or a sixtieth of a minute. diæres is, n . See dieresis . 4. In her ., one of the arches which rise from the rim or circle of a crown, and support the diæretic, a . See dieretic . Locke . mound or globe at the top.-5. In zool., a diageotropic (di-a-je-ō-trop'ik), a. [ diagonal turning (