Diacatholicon, dī-a-ka-thol′i-kon, n. a purgative electuary.

Diacaustic, dī-a-kaws′tik, adj. pertaining to curves formed by the intersections of rays of refracted light.—n. a curve so formed. [Formed from Gr. dia, through, and caustic.]

Diachastic, dī-a-kas′tik, adj. cleaving apart. [Gr.]

Diachylon, dī-ak′i-lon, Diachylum, dī-ak′i-lum, n. common sticking-plaster. [Gr. diachylosdia, and chylos, juice.]

Diachyma, dī-ak′i-ma, n. the parenchyma of leaves. [Gr. dia, through, chyma, juice.]

Diacodium, dī-a-kō′di-um, n. a syrup of poppies. [L.,—Gr. dia, through, kōdeia, a poppy-head.]

Diaconate, dī-ak′o-nāt, n. the office of a deacon.—adj. Diac′onal, pertaining to a deacon.

Diaconicon, dī-a-kon′i-kon, n. a sacristy for sacred vessels, in a Greek church, on the south side of the bema or sanctuary.

Diacoustic, dī-a-kows′tik, adj. pertaining to the refraction of sound through various mediums.—n. Diacous′tics, the branch of physics which deals with refracted sounds. [Formed from Gr. dia, through, and acoustics.]

Diacritic, -al, dī-a-krit′ik, -al, adj. distinguishing between—used of marks or points attached to the letters of various languages. [Gr. diakritikos, diakrineindia, between, and krinein, to distinguish. See Critic.]