a. [ L. acuminatus, p. p. of acuminare to sharpen, fr. acumen. See Acumen. ] Tapering to a point; pointed; as, acuminate leaves, teeth, etc. [ 1913 Webster ]

v. t. To render sharp or keen. [ R. ] “To acuminate even despair.” Cowper. [ 1913 Webster ]

v. i. To end in, or come to, a sharp point. “Acuminating in a cone of prelacy.” Milton. [ 1913 Webster ]

n. A sharpening; termination in a sharp point; a tapering point. Bp. Pearson. [ 1913 Webster ]

a. Terminating in a flat, narrow end. Lindley. [ 1913 Webster ]

a. Characterized by acumen; keen. Highmore. [ 1913 Webster ]

a. [ Pref. bi- + acuminate. ] (Bot.) Having points in two directions. [ 1913 Webster ]

a. [ L. cacumen, cacuminis, the top, point. ] (Philol.) Pertaining to the top of the palate; cerebral; -- applied to certain consonants; as, cacuminal (or cerebral) letters. [ 1913 Webster ]

v. i. [ L. cacuminatus, p. p. of cacuminare to point, fr. cacumen point. ] To make sharp or pointed. [ Obs. ] [ 1913 Webster ]

n. [ Pref. circum- + L. incedere, incessum, to walk. ] (Theol.) The reciprocal existence in each other of the three persons of the Trinity. [ 1913 Webster ]

n. [ OE.comin, AS. cymen, fr. L. cuminum, Gr. &unr_;&unr_;&unr_;&unr_;&unr_;&unr_;&unr_;; of Semitic origin, cf. Ar. kamm&unr_;n, Heb. kamm&unr_;n; cf. OF. comin, F. cumin. Cf. Kummel. ] (Bot.) A dwarf umbelliferous plant, somewhat resembling fennel (Cuminum Cyminum), cultivated for its seeds, which have a bitterish, warm taste, with an aromatic flavor, and are used like those of anise and caraway. [ Written also cummin. ] [ 1913 Webster ]

Rank-smelling rue, and cumin good for eyes. Spenser. [ 1913 Webster ]

Black cumin (Bot.), a plant (Nigella sativa) with pungent seeds, used by the Afghans, etc. [ 1913 Webster ]

a. Pertaining to, or derived from, cumin, or from oil of caraway; as, cuminic acid. [ 1913 Webster ]

Cuminic acid (Chem.), white crystalline substance, C3H7.C6H4.CO2H, obtained from oil of caraway. [ 1913 Webster ]

n. A substance, analogous to benzil, obtained from oil of caraway. [ 1913 Webster ]

n. [ Cuminic + L. oleum. ] A liquid, C3H7.C6H4.CHO, obtained from oil of caraway; -- called also cuminic aldehyde. [ 1913 Webster ]

n. (Chem.) The coloring principle of turmeric, or curcuma root, extracted as an orange yellow crystalline substance, C14H14O4, with a green fluorescence. [ 1913 Webster ]

☞ It possesses acid properties and with alkalies forms brownish salts. This change in color from yellow to brown is the characteristic reaction of tumeric paper. See Turmeric paper, under Turmeric. [ 1913 Webster ]

a. [ L. decacuminare to cut off the top. See Cacuminate. ] Having the point or top cut off. [ Obs. ] Bailey. [ 1913 Webster ]

a. Having an ovate form, but narrowed at the end into a slender point. [ 1913 Webster ]

a. Same as Ovate-acuminate. [ 1913 Webster ]