trichrome, a.
(ˈtraɪkrəʊm)
[f. tri- + Gr. χρῶµα colour.]
= trichromatic a.; spec. applied to a stain and method of staining in which different kinds of tissue are stained in one or other of three different colours.
| 1918 H. Croy How Motion Pictures are Made xiii. 289 To show the trichrome pictures a special projecting-machine was needed. 1929 Jrnl. Technical Methods XII. 83 Sections intended for the trichrome stain—Hæmalum, Erythrosin–Saffron, should previously undergo a collodionisation. 1931 Museum Jrnl. XXII. 213 The artist had at his disposal monochrome, bichrome and trichrome decorations of pleasing though simple geometric designs. 1938 Amer. Jrnl. Path. XIV. 237 Trichrome methods are rapidly replacing the ancient hematoxylin-eosin technique so largely used in pathology. 1939 Times 10 Mar. 17/6 A number of trichrome jars of varying shapes. 1975 Nature 6 Nov. 71/2 Material for histological examination was fixed in neutral formal saline, embedded in wax and sections were stained with haemalum and eosin or Masson's trichrome stain. |