lubricator

[Eng. lubric at (e - or.] I. Ord. Lang.: One who or that which lubricates, "It [water] is found, when not cold, to be a great resolver of spasms, and lubricator of the fibres."-Burke: On the Sublime and Beautiful , pt. iv., § 21. II. Technically : 1. Steam - eng in .: An oil cup or other contrivance for supplying oil or grease to rubbing surfaces, in order to diminish friction. 2. Shafting : A pivoted disc in a cup below the lower journal-box is revolved by contact with the under side of the shaft, and carries up oil to lubricate the latter. 3. Vehic .: The ordinary mode of lubricating carriage or wagon axles is by placing grease on the spindle and then putting on the wheel, giving it a few revolutions before lowering it again to the ground. The grooves in the box of the hub form pockets in which the grease collects, and from which it pa es to the spindle as it gradually wastes away. 4. Ordn.: An arrangement for lubricating and cleaning the grooves of rifled guns. lû-briç-i-tāte, v . t . [Latin lubric us = smooth, slippery.] To make smooth or slippery. (Kersey.) lû-briç'-i-ty, s. [Fr. lubric ité , from Lat. lubri cus =slippery; Ital. lubric ità ; Sp. lubric i dad .] I. Literally: 1. Smoothne of surface; slipperine . 2. Aptne to glide over any part or to facilitate motion by diminishing the friction between parts in contact. II. Figuratively : 1. Instability, uncertainty. alternate contraction and expansion of the umbrella, around the margin of which are tufts of short tentacular proce es, and in its center is a polypite with a quadrangular four-lobed mouth. lū-çer-na-ri-a-dæ, s. pl . [Mod. Latin lucer nari(a); Lat. fem. pl. adj. suff.- adæ .] Zool.: Sea-nettles, Sea-blubbers. An order of the legion or sub-cla Lucern arid a. It includes those Lucern arid a, which have only a single polypite, are fixed by a proximal hydrorhiza, and po e short tentacles on the margin of the umbrella. ( Nichol son.) [PELAGIDE.] Zool.: A sub-cla or legion of Hydrozoa, defined by Greene as having the base of the hydrosoma developed into an umbrella, in the walls of which the reproductive organs are produced. It is divided into three orders: Lucern aria do, Pelagide, and Rhizostomide. lū-çer-na-roid, s. [Eng., ., lucernar (ia), and Gr. eidos =form, resemblance.] narida. "The hydra-tuba thus constitutes the fixed lucern aroid or trophosome of one of the Rhizostomatæ." - Nicholson : Zool . (ed. 1878), p. 133. lû-çerne, s . [French luzerne , from Langue doc patois, lauserda . Littré considers that the French word came from the English, and says that the remote origin is unknown.] Bot.: Medicago sativa . It is a deep-rooting, clover like perennial plant, with spikes of blue or violet flowers. It is largely cultivated as a fodder plant in the countries bordering on the Mediterranean. It was long ago introduced into England, but is not much cultivated, being le hardy than the red Swi Lucerne is Medicago falcata . It is a IMG:content-0755.png:[blocks in formation] Med. Juris. A lucid interval is not a mere ce ation of the violent symptoms of a disorder, but an interval in which the mind, having thrown off the disease, has recovered its general habit. The party must be capable of forming a sound judgment of what he is doing, and his state of mind such that any indifferent person would think him able to manage his own affairs. ( Collins on : On Lunacy , p. 39.) The expre ion lucid interval was formerly used le specifically than now, being employed of remi ions or intermi ions of sickne , .