| 释义 |
ˈpoikilo-
a formative element from Gr. ποικίλος variegated, various, used in modern scientific terms (in some of which the Latinized form pœcilo- is preferred):
ˈpoikiloˌblast, (a) = poikilocyte (Syd. Soc. Lex.); (b) (also pœcilo-) Petrol., each of the inclusions in a poikiloblastic rock; ˌpoikiloˈblastic a. (also pœcilo-) Petrol. [ad. G. poikiloblastisch (F. Becke 1903, in Compt. Rend. IX Sess. Congr. Géol. Internat. (1904) II. 570): see -blast], applied to the structure or texture of a metamorphic rock, or to the rock itself, in which small crystals of an original mineral occur within crystals of its metamorphic product (cf. poikilitic a. 2); ˈpoikiloˌcyte, a name for red blood-corpuscles of irregular shape, elongated, pyriform, etc. (Syd. Soc. Lex.); so ˌpoikilocyˈtosis, the condition of the blood when it contains poikilocytes.
1944Trans. R. Soc. Edin. LXI. 225 Accessories are apatite and sphene,..the latter in rounded red-brown pleochroic *poeciloblasts in the same minerals. 1969A. Spry Metamorphic Textures 169 (heading) Poikiloblasts.
1920A. Holmes Nomencl. Petrol. 187 *Poikiloblastic, a metamorphic texture due to the development, during recrystallisation, of a new mineral around numerous relics of the original minerals, thus simulating the poikilitic texture of igneous rocks. 1932A. Harker Metamorphism xiii. 191 (caption) A large porphyroblast of green horn⁓blende showing typical pœciloblastic or sieve-structure. 1954H. Williams et al. Petrography ix. 168 (caption) Poikiloblastic (sieve) texture in skarn, Doubtful Sound, New Zealand. 1969A. Spry Metamorphic Textures vi. 170 Inclusions increase the total free energy and thus a poikiloblastic crystal is not in its most-stable..condition.
1897Allbutt's Syst. Med. IV. 578 Irregular forms of red corpuscles which are generally included under the name of *poikilocytes. 1899J. Cagney tr. Jaksch's Clin. Diagn. i. (ed. 4) 42 Gräber believes that the poikilocytes do not exist in the circulating blood.
1880A. Flint Princ. Med. 62 The name *poikilocytosis has been proposed to designate the condition of blood in which the corpuscles present manifold variations in shape. |