| DICHASIAL | • dichasial adj. Relating to a dichasium. • DICHASIAL adj. relating to a dichasium, a flower cluster. |
| DICHASIUM | • dichasium n. (Botany) A cymose inflorescence with all branches below the terminal flower in regular opposite pairs. • DICHASIUM n. a cymose inflorescence in which each axis in turn produces a pair of nearly equal branches. |
| DICHOGAMY | • dichogamy n. (Biology) The condition in which an organism changes sex during its lifetime. • DICHOGAMY n. an arrangement for preventing the self-fertilization of hermaphrodite flowers, the stamens and stigmas ripening at different times. |
| DICHONDRA | • dichondra n. Any of the genus Dichondra of prostrate perennial herbaceous plants with creeping stems. • DICHONDRA n. a genus of tropical perennial herbs of the morning glory family. |
| DICHOPTIC | • dichoptic adj. (Anatomy, of eyes) Widely separated near the top of the head. • DICHOPTIC adj. having eyes distinctly separate. |
| DICHOTOMY | • dichotomy n. A separation or division into two; a distinction that results in such a division. • dichotomy n. Such a division involving apparently incompatible or opposite principles; a duality. • dichotomy n. (Logic) The division of a class into two disjoint subclasses that are together comprehensive, as the… |
| DICHROISM | • dichroism n. The property of some crystals of transmitting different colours of light in different directions. • dichroism n. (Physics) The property of some anisotropic materials of having different absorption coefficients for… • DICHROISM n. the property of showing different colours exhibited by doubly refracting crystals when viewed in different directions by transmitted light. |
| DICHROITE | • dichroite n. (Mineralogy) Iolite. • DICHROITE n. a strongly dichroic mineral, iolite or cordierite. |
| DICHROMAT | • dichromat n. One whose vision exhibits dichromacy; one who can distinguish only two primary colors. • DICHROMAT n. a salt of chromic acid containing two equivalents of the acid radical to one of the base, also DICHROMATE. |
| DICHROMIC | • dichromic adj. Furnishing or giving two colours; said of defective vision, in which all the compound colours are resolvable… • dichromic adj. Containing two atoms of chromium. • DICHROMIC adj. able to see two colours and two only, as in red-green colour-blind persons who see only blue and yellow. |