Defn: Having a level horizontal surface or position. Lee.
PLANOMETER
Pla*nom"e*ter, n. Etym: [Plano- + -meter. Cf. Planimeter.]
Defn: An instrument for gauging or testing a plane surface. See
Surface gauge, under Surface.
PLANOMETRY
Pla*nom"e*try, n. (Mech.)
Defn: The art or process of producing or gauging a plane surface.
PLANO-ORBICULAR
Pla"no-or*bic"u*lar, a. Etym: [Plano- + orbicular.]
Defn: Plane or flat on one side, and spherical on the other.
PLANORBIS
Pla*nor"bis, n. Etym: [NL., fr. L. planus flat + orbis a circle.]
(Zoöl.)
Defn: Any fresh-water air-breathing mollusk belonging to Planorbis and other allied genera, having shells of a discoidal form.
PLANO-SUBULATE
Pla"no-su"bu*late, a. Etym: [Plano- + subulate.]