Webster's Dictionary 1913

4969

Planiform

Plan″i‐form (?), a.(Anat.) Having a plane surface; as, a planiform, gliding, or arthrodial articulation.

4970

Planimeter

Pla‐nim″e‐ter (?), n. [Plani- + -meter. Cf. Planometer.] An instrument for measuring the area of any plane figure, however irregular, by passing a tracer around the bounding lin...

4971

Planimetric

{ Plan′i‐met″ric (?; 277), Plan′i‐met″ric‐al (?), } a. [Cf. F. planimétrique.] Of or pertaining to planimetry.

4972

Planimetry

Pla‐nim″e‐try (?), n. [Cf. F. planimétrie.] The mensuration of plane surfaces; — distinguished from stereometry, or the mensuration of volumes.

4973

Planing

Plan″ing (?), a. & vb. n. fr. Plane, v. t.Planing machine. (a) See Planer. (b) A complex machine for planing wood, especially boards, containing usually a rapidly revolving cutt...

4974

Planipennate

Pla′ni‐pen″nate (?), a. Of or pertaining to Planipennia.

4975

Planipennia

‖Pla′ni‐pen″ni‐a (?), n. pl. [NL., fr. L. planus plane + penna wing.] (Zoöl.) A suborder of Neuroptera, including those that have broad, flat wings, as the ant-lion, lacewing, e...

4976

Planipetalous

Plan′i‐pet″al‐ous (?), a. [Plani- + petal.] (Bot.) Having flat petals.

4977

Planish

Plan″ish (?), v. t. [imp. & p. p.Planished (?); p. pr. & vb. n.Planishing.] [OF. planir, F. planer. See Plane, v., and -ish.] To make smooth or plane, as a metallic surface; to ...

4978

Planisher

Plan″ish‐er (?), n. One who, or that which, planishes. Weale.

4979

Planishing

Plan″ish‐ing, a. & vb. n. from Planish, v. t.Planishing rolls(Coining), rolls between which metal strips are passed while cold, to bring them to exactly the required thickness.

4980

Planisphere

Plan″i‐sphere (?), n. [Plani- + sphere: cf. F. planisphère. See Plain, and Sphere.] The representation of the circles of the sphere upon a plane; especially, a representation of...

4981

Planispheric

Plan′i‐spher″ic (?), a. Of or pertaining to a planisphere.

4982

Plank

Plank (?), n. [OE. planke, OF. planque, planche, F. planche, fr. L. planca; cf. Gr. �, �, anything flat and broad. Cf. Planch.] 1. A broad piece of sawed timber, differing from ...

4983

Plank (2)

Plank (?), v. t. [imp. & p. p.Planked (?); p. pr. & vb. n.Planking.] 1. To cover or lay with planks; as, to plank a floor or a ship. “Planked with pine.” Dryden.2. To lay down, ...

4984

Plank-sheer

Plank″–sheer′ (?), n.(Shipbuilding) The course of plank laid horizontally over the timberheads of a vessel's frame.

4985

Planking

Plank″ing, n. 1. The act of laying planks; also, planks, collectively; a series of planks in place, as the wooden covering of the frame of a vessel.2. The act of splicing sliver...

4986

Plankton

‖Plank″ton (plăṉk″tŏn), n. [NL., fr. Gr. πλαγτόν, neut. of πλαγτόσ wandering, πλάζεσθαι to wander.] (Biol.) All the animals and plants, taken collectively, which live at or near...

4987

Planless

Plan″less (?), a. Having no plan.

4988

Planner

Plan″ner (?), n. One who plans; a projector.

4989

Plano- (2)

Pla″no– (?). See Plani-.

4990

Plano-concave

Pla″no–con″cave (?), a. [Plano- + concave.] Plane or flat on one side, and concave on the other; as, a plano-concave lens. See Lens.

4991

Plano-conical

Pla″no–con″ic‐al (?), a. [Plano- + conical.] Plane or flat on one side, and conical on the other. Grew.

4992

Plano-convex

Pla″no–con″vex (?), a. [Plano- + convex.] Plane or flat on one side, and convex on the other; as, a plano-convex lens. See Convex, and Lens.

4993

Plano-horizontal

Pla″no–hor′i‐zon″tal (?), a. [Plano- + horizontal.] Having a level horizontal surface or position. Lee.

4994

Plano-orbicular

Pla″no–or‐bic″u‐lar (?), a. [Plano- + orbicular.] Plane or flat on one side, and spherical on the other.

4995

Plano-subulate

Pla″no–su″bu‐late (?), a. [Plano- + subulate.] Smooth and awl-shaped. See Subulate.