6. (Logic) Division into two; especially, the division of a class into two subclasses opposed to each other by contradiction, as the division of the term man into white and not white.
Di*chro"ic (?), a. [See Dichroism.] Having the property of dichroism; as, a dichroic crystal.
Di*chro"i*scope (?), n. Same as Dichroscope.
Di"chro*ism (?), n. [Gr. &?; two- colored; di- = di`s- twice + &?; color.] (Opt.) The property of presenting different colors by transmitted light, when viewed in two different directions, the colors being unlike in the direction of unlike or unequal axes.
Di"chro*ite (?), n. [See Dichroism.] (Min.) Iolite; -- so called from its presenting two different colors when viewed in two different directions. See Iolite.
Di`chro*it"ic (?), a. Dichroic.
Di*chro"mate (?), n. (Chem.) A salt of chromic acid containing two equivalents of the acid radical to one of the base; -- called also bichromate.
Di`chro*mat"ic (?), a. [Pref. di- + chromatic: cf. Gr. &?;.] 1. Having or exhibiting two colors.
2. (Zoöl.) Having two color varieties, or two phases differing in color, independently of age or sex, as in certain birds and insects.
Di*chro"ma*tism (?), n. The state of being dichromatic.
Di*chro"mic (?), a. [Gr. &?; two- colored; di- = di`s- twice + &?; color.] Furnishing or giving two colors; -- said of defective vision, in which all the compound colors are resolvable into two elements instead of three. Sir J. Herschel.
Di"chro*ous (?), a. Dichroic.
Di"chro*scope (?), n. [Gr. di- = di`s- twice + &?; color + &?; to view.] An instrument for examining the dichroism of crystals.
Di`chro*scop"ic (?), a. Pertaining to the dichroscope, or to observations with it.
Di"cing (?), n. 1. An ornamenting in squares or cubes.