Defn: Having the same potential. Equipotential surface, a surface for which the potential is for all points of the surface constant. Level surfaces on the earth are equipotential.

EQUIRADICAL
E`qui*rad"i*cal a. Etym: [Equi- + radical.]

Defn: Equally radical. [R.] Coleridge.

EQUIROTAL
E`qui*ro"tal, a. Etym: [Equi- + L. rota wheel.]

Defn: Having wheels of the same size or diameter; having equal rotation. [R.]

EQUISETACEOUS
E`qui*se*ta"ceous, a. (Bot.)

Defn: Belonging to the Equisetaceæ, or Horsetail family.

EQUISETIFORM
E`qui*set"i*form, a. Etym: [Equisetum- + -form.] (Bot.)

Defn: Having the form of the equisetum.

EQUISETUM Eq`ui*se"tum, n.; pl. Equiseta. Etym: [L., the horsetail, fr. equus horse + seta a thick,, stiff hair, bristle.] (Bot.)