Dendrachate, den′dra-kāt, n. arborescent agate.—Moss′-ag′ate. [Gr. dendron, tree, achatēs, agate.]

Dendriform, den′dri-form, adj. having the appearance of a tree. [Formed from Gr. dendron, a tree, and L. forma, form.]

Dendrite, den′drīt, n. a mineral in which are figures resembling plants.—adjs. Dendrit′ic, -al, tree-like, arborescent: marked with branching figures like plants. [Gr. dendritēs, of a tree—dendron, a tree.]

Dendrodont, den′drō-dont, n. a fish of extinct fossil genus Dendrodus, having teeth of dendritic structure.—adj. having such teeth.—n. Dendroden′tine, the form of branched dentine seen in compound teeth, produced by the interblending of the dentine, enamel, and cement. [Gr. dendron, a tree, and odous, odontos, tooth.]

Dendroid, den′droid, adj. having the form of a tree. [Gr. dendron, a tree, and eidos, form.]

Dendrolite, den′dro-līt, n. a petrified or fossil plant. [Gr. dendron, a tree, and lithos, a stone.]

Dendrology, den-drol′o-ji, n. a treatise on trees: the natural history of trees.—adj. Dendrolog′ical.—n. Dendrol′ogist. [Gr. dendron, a tree, and logia, a discourse.]

Dendrometer, dėn-drom′e-tėr, n. an instrument for ascertaining the height of a tree. [Gr. dendron, tree, metron, measure.]

Dene, dēn, n. a small valley.—n. Dene′-hole, an ancient artificial excavation in the chalk formations of Kent and Essex. [A form of dean. Cf. Den.]

Denegation, dē-ne-gā′shun, n. denial. [L. denegāre, -ātum, to deny—de, inten., and negāre, to deny.]