pectous, a. Chem.
(ˈpɛktəs)
[f. Gr. πηκτ-ός congealed + -ous.]
a. Congealed, solidified: said of modified forms of substances ordinarily fluid. b. Related to pectin. pectous acid, name of a particular acid related to pectic acid (cf. -ous c).
| 1861 Graham in Phil. Trans. 184 Fluid colloids appear to have always a pectous modification. 1866–77 Watts Dict. Chem. IV. 364 Pectase immersed in water for two or three days, is decomposed..and is then no longer capable of acting as a pectous ferment. Ibid. The conversion of the pectin into pectosic and pectous acids. 1875 B. W. Richardson Dis. Mod. Life 104 In course of time..the vital tissues become thickened, or, to use the technical term, ‘pectous’. |