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The state of holding something in the mind as a subject of contemplation, or of being inclined to reflect upon something; a state consciousness; conviction; feeling; impression. [Obs.] He retains vivid resentments of the more solid morality. Dr. H. More. It is a greater wonder that so many of them die, with so little r…

hich is left, or which remains after the separation of a part, either in fact or in contemplation; remainder; residue. Religion gives part of its reward in hand, the present comfort of having done our duty, and, for the rest, it offers us the best security that Heaven can give. Tillotson.

A looking back on things past; view or contemplation of the past. Cowper. We may introduce a song without retrospect to the old comedy. Landor.

Looking backward; contemplating things past; -- opposed to prospective; as, a retrospective view. The sage, with retrospective eye. Pope.

A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is very difficult to fuse. Symbol Rh. Atomic weight 104.1. Specific gravity 12.

A ridge, fin, or wing, as on a plate, cylinder, beam, etc., to strengthen or stiffen it.

mind; to be suggested; to occur. A thought rose in me, which often perplexes men of contemplative natures. Spectator.

Any small upright face, as of a seat, platform, veranda, or the like.

A metallic pin with a head, used for uniting two plates or pieces of material together, by passing it through them and then beating or pressing down the point so that it shall spread out and form a second head; a pin or bolt headed or clinched at both ends. With busy hammers closing rivets up. Shak. Rivet joint, or Riv…

of rivets, collectively. Tomlinsin. Butt riveting, riveting in which the ends or edges of plates form a butt joint, and are fastened together by being riveted to a narrow strip which covers the joint. -- Chain riveting, riveting in which the rivets, in two or more rows along the seam, are set one behind the other. --…

by pressure between revolving rollers. (b) A printing press with a roller, used in copperplate printing. -- Rolling stock, or Rolling plant, the locomotives and vehicles of a railway. -- Rolling tackle (Naut.), tackle used to steady the yards when the ship rolls heavily. R. H. Dana, Jr.

A round mass, plate, or disk; especially (Metal.), the crust or scale which forms upon the surface of molten metal in the crucible.

ir penetration of many opaque substances, as wood and flesh, their action on photographic plates, and their fluorescent effects. They were called X rays by their discoverer, W. K. Röntgen. They also ionize gases, but cannot be reflected, or polarized, or deflected by a magnetic field. They are regarded as nonperiodic,…

h material as allows the water to run off freely from a very slight inclination. -- Roof plate. (Arch.) See Plate, n., 10.

A beautiful Australian parrakeet (Platycercus eximius) often kept as a cage bird. The head and back of the neck are scarlet, the throat is white, the back dark green varied with lighter green, and the breast yellow.

The Beaks; the stage or platform in the forum where orations, pleadings, funeral harangues, etc., were delivered; -- so called because after the Latin war, it was adorned with the beaks of captured vessels; later, applied also to other platforms erected in Rome for the use of public orators.

an unwrought or rude condition; unpolished; as, a diamond or a sketch in the rough. Contemplating the people in the rough. Mrs. Browning.

A small toothed wheel used by engravers to roll over a plate in order to order to produce rows of dots.

dle by which the bed of a hand press, holding the form of type, etc., is run in under the platen and out again; -- sometimes applied to the whole apparatus by which the form is moved under the platen.

A top; a platform at a masthead; -- so called because formerly round in shape.