‖ [ L. camera chamber + L. lucidus, lucida, lucid, light. ] (Opt.) An instrument which by means of a prism of a peculiar form, or an arrangement of mirrors, causes an apparent image of an external object or objects to appear as if projected upon a plane surface, as of paper or canvas, so that the outlines may conveniently traced. It is generally used with the microscope. [ 1913 Webster ]

a. [ L. dilucidus, fr. dilucere to be light enough to distinguish objects apart. See Lucid. ] Clear; lucid. [ Obs. ] Bacon. -- Di*lu"cid*ly, adv. [Obs.] -- Di`lu*cid"i*ty n. [ Obs. ] [ 1913 Webster ]

v. t. [ L. dilucidatus, p. p. of dilucidare. ] To elucidate. [ Obs. ] Boyle. [ 1913 Webster ]

n. [ L. dilucidatio. ] The act of making clear. [ Obs. ] Boyle. [ 1913 Webster ]

v. t. [ imp. & p. p. Elucidated p. pr. & vb. n. Elucidating ] [ LL. elucidatus, p. p. of elucidare; e + lucidus full of light, clear. See Lucid. ] To make clear or manifest; to render more intelligible; to illustrate; as, an example will elucidate the subject. [ 1913 Webster ]

n. [ Cf. F. élucidation. ] A making clear; the act of elucidating or that which elucidates, as an explanation, an exposition, an illustration; as, one example may serve for further elucidation of the subject. [ 1913 Webster ]

a. Making clear; tending to elucidate; as, an elucidative note. [ 1913 Webster ]

n. One who explains or elucidates; an expositor. [ 1913 Webster ]

a. Tending to elucidate; elucidative. [ R. ] [ 1913 Webster ]

n. (Biochem.) a type of luciferin produced by the firefly Photinus pyralis. Its structure has been elucidated, and chemically it is recognized as 4, 5-Dihydro-2-(6-hydroxy-2-benzothiazol-2-yl)-4-thiazolecarboxylic acid, C11H8N3O2S2. It has found use in a very sensitive assay for ATP, in which concentrations of ATP as low as 10-11 molar can be detected. [ MI11 ] [ PJC ]

a. [ Gr. &unr_; sweet. ] (Chem.) Pertaining to, or obtained from, sugar; as, glucic acid. [ 1913 Webster ]

n. [ Cf. F. glycine, glucine. So called because it forms sweet salts. See Glucinum. ] (Chem.) A white or gray tasteless powder, the oxide of the element glucinum; -- formerly called glucine. [ 1913 Webster ]

a. (Chem.) Pertaining to, derived from, or containing, glucinum; as, glucinic oxide. [ 1913 Webster ]

n. [ Cf. F. glucinium, glycium, fr. Gr. &unr_;, sweet. Cf. Glycerin. ] (Chem.) A rare metallic element, of a silver white color, and low specific gravity (2.1), resembling magnesium. It never occurs naturally in the free state, but is always combined, usually with silica or alumina, or both; as in the minerals phenacite, chrysoberyl, beryl or emerald, euclase, and danalite. It was named from its oxide glucina, which was known long before the element was isolated. Symbol Gl. Atomic weight 9.1. Called also beryllium. [ Formerly written also glucinium. ] [ 1913 Webster ]

v. i. [ L. hallucinatus, alucinatus, p. p. of hallucinari, alucinari, to wander in mind, talk idly, dream. ] 1. To wander; to go astray; to err; to blunder; -- used of mental processes. [ R. ] Byron. [ 1913 Webster ]

2. Specifically: To perceive a non-existent object or phenomenon; to believe that one is experiencing something which in reality does not exist; to experience a hallucination{ 2 }. [ PJC ]

v. t. To experience (something nonexistent) as an hallucination{ 2 }. [ PJC ]

adj. Experiencing hallucinations.
Syn. -- delirious. [ WordNet 1.5 +PJC ]

n. [ L. hallucinatio: cf. F. hallucination. ] 1. The act of hallucinating; a wandering of the mind; error; mistake; a blunder. [ 1913 Webster ]

This must have been the hallucination of the transcriber. Addison. [ 1913 Webster ]

2. (Med.) The perception of objects which have no reality, or of sensations which have no corresponding external cause, arising from disorder of the nervous system, as in delirium tremens; delusion. [ 1913 Webster ]

Hallucinations are always evidence of cerebral derangement and are common phenomena of insanity. W. A. Hammond. [ 1913 Webster ]

n. [ L. ] One whose judgment and acts are affected by hallucinations; one who errs on account of his hallucinations. N. Brit. Rev. [ 1913 Webster ]

a. Partaking of, having the character of, or tending to produce, hallucinations; as, hallucinatory visions. [ 1913 Webster +PJC ]

n. A substance capable of producing hallucinations when ingested; a hallucinogenic substance; as, LSD is a powerful hallucinogen. [ WordNet 1.5 ]

adj. 1. capable of producing hallucinations; as, LSD is a powerful hallucinogenic drug. [ WordNet 1.5 ]

n. [ Indican + glucin. ] (Chem.) The variety of sugar (glucose) obtained from the glucoside indican. It is unfermentable, but reduces Fehling's solution. [ 1913 Webster ]

a. [ L. lucidus, fr. lux, lucis, light. See Light, n. ] 1. Shining; bright; resplendent; as, the lucid orbs of heaven. [ 1913 Webster ]

Lucid, like a glowworm. Sir I. Newton. [ 1913 Webster ]

A court compact of lucid marbles. Tennyson. [ 1913 Webster ]

2. Clear; transparent. “ Lucid streams.” Milton. [ 1913 Webster ]

3. Presenting a clear view; easily understood; clear. [ 1913 Webster ]

A lucid and interesting abstract of the debate. Macaulay. [ 1913 Webster ]

4. Bright with the radiance of intellect; not darkened or confused by delirium or madness; marked by the regular operations of reason; as, a lucid interval. [ 1913 Webster ]

Syn. -- Luminous; bright; clear; transparent; sane; reasonable. See Luminous. [ 1913 Webster ]

n. [ Cf. F. lucidité. See Lucid. ] The quality or state of being lucid. [ 1913 Webster ]

adv. In a lucid manner. [ 1913 Webster ]

n. The quality of being lucid; lucidity. [ 1913 Webster ]

n. [ L., bringing light, n., the morning star, fr. lux, lucis, light + ferre to bring. ] [ 1913 Webster ]

1. The planet Venus, when appearing as the morning star; -- applied in Isaiah by a metaphor to a king of Babylon. [ 1913 Webster ]

How art thou fallen from heaven, O Lucifer, son of the morning! how art thou cut down to the ground which didst weaken the nations! Is. xiv. 12. [ 1913 Webster ]

Tertullian and Gregory the Great understood this passage of Isaiah in reference to the fall of Satan; in consequence of which the name Lucifer has since been applied to Satan. Kitto. [ 1913 Webster ]

2. Hence, Satan. [ 1913 Webster ]

How wretched
Is that poor man that hangs on princes' favors! . . .
When he falls, he falls like Lucifer,
Never to hope again. Shak. [ 1913 Webster ]

3. A match{ 1 } made of a sliver of wood tipped with a combustible substance, and ignited by friction; -- called also lucifer match, and locofoco, now most commonly referred to as a friction match. See Locofoco. [ 1913 Webster ]

4. (Zool.) A genus of free-swimming macruran Crustacea, having a slender body and long appendages. [ 1913 Webster ]

n. (Biochem.) an enzyme which catalyzes the oxidation of luciferin, thereby producing bioluminescence. [ PJC ]

a. 1. Of or pertaining to Lucifer; having the pride of Lucifer; satanic; devilish. [ 1913 Webster ]

2. Of or pertaining to the Luciferians or their leader. [ 1913 Webster ]

n. (Eccl. Hist.) One of the followers of Lucifer, bishop of Cagliari, in the fourth century, who separated from the orthodox churches because they would not go as far as he did in opposing the Arians. [ 1913 Webster ]

n. (Biochem.) any of several substances found in luminescent organisms (such as the firefly, Photinus pyralis) which, when oxidized, produces an almost heatless light. It was first isolated from fireflies, and is the source of the firefly luminescence. See also firefly luciferin [ PJC ]

a. [ See Lucifer. ] Giving light; affording light or means of discovery. Boyle. [ 1913 Webster ]

adv. In a luciferous manner. [ 1913 Webster ]

a. [ L. lucificus; lux, lucis, light + facere to make. ] Producing light. Grew. [ 1913 Webster ]

a. [ L. lux, lucis, light = -form. ] Having, in some respects, the nature of light; resembling light. Berkeley. [ 1913 Webster ]

a. Luciferian; satanic. [ Obs. ] Marston. [ 1913 Webster ]

n. [ L. lux, lucis, light + -meter. ] an instrument for measuring the intensity of light; a photometer. [ 1913 Webster ]

prop. n. A brand name for a transparent plastic based on methyl methacrylate esters; the term is often used generically to refer to any similar transparent plastic. It is sold in various forms, including rigid sheets which may be used as a substitute for glass in windows. [ Trademark ] [ PJC ]

n. (Zool.) A fatlike substance in certain marine animals, to which they owe their phosphorescent properties. [ 1913 Webster ]

a. (Zool.) Of or pertaining to Noctiluca. [ 1913 Webster ]

a. [ L. pellucidus; per (see Per-) + lucidus clear, bright: cf. F. pellucide. ] Transparent; clear; limpid; translucent; not opaque. “Pellucid crystal.” Dr. H. More. “Pellucid streams.” Wordsworth. [ 1913 Webster ]

adv. In a pellucid manner. [ 1913 Webster ]

{ } n. [ L. pelluciditas. ] The quality or state of being pellucid; transparency; translucency; clearness; as, the pellucidity of the air. Locke. [ 1913 Webster ]

n. [ Phloretin + Gr. glyky`s sweet. ] (Chem.) A sweet white crystalline substance, metameric with pyrogallol, and obtained by the decomposition of phloretin, and from certain gums, as catechu, kino, etc. It belongs to the class of phenols. [ Called also phloroglucinol. ] [ 1913 Webster ]

n. [ See Pollux, and 4th Castor. ] (Min.) A colorless transparent mineral, resembling quartz, occurring with castor or castorite on the island of Elba. It is a silicate of alumina and cæsia. Called also pollux. [ 1913 Webster ]

a. Half clear, or imperfectly transparent; as, a semipellucid gem. [ 1913 Webster ]

n. The quality or state of being imperfectly transparent. [ 1913 Webster ]

a. Somewhat pellucid; nearly pellucid. [ 1913 Webster ]

a. [ L. translucidus; trans across, through + lucidus lucid: cf. F. translucide. See Translucent. ] Translucent. [ R. ] Bacon. [ 1913 Webster ]