dilution

[Lat. dilutio, from dilutus.] The act of making thin, poor, or weak by diluting; the state of becoming diluted. "Opposite to dilution is coagulation or thickening."Arbuthnot: On Aliments , ii. 5. , pit, sire, sir adj. suff.-an.] The same as DILUVIAL (q. v.). "Suppose that this diluvian lake should rise to the mountain tops in one place, and not diffuse itself equally into all countries about." - Burnet: Theory of the Earth . IMG:content-2520.png:[blocks in formation] ne . 2. To make dark; to obscure with shade or dark- "Now set the sun, and twilight dimm'd the ways." Cowper: Homer's Ody ey, ii. 3. To deprive of luster; to tarnish, to sully. "It once was bright and clear as thine, But blood and tears have dimmed its shine." Scott: Lady of the Lake , iv. 27. dimension-stone, s . [ASHLAR.] *di-men-sion, v . t . [DIMENSION, 8.] To suit or make agree in size or measurement. "A mantle purple-tinged, and radiant vest, Dimensioned equal to his size." Pope : Homer's Ody ey, xix. 275, 276, di-men-sion-al, a. [Eng. dimension ; -al .] Re- lating to dimensions. 1. To obscure, to darken, to defile. desires and lustes." -Udall: Matt . v. "If the light of your lyfe be dimmed with worldly length *B. In trans.: To become dim, dull, or obscure. "His fair lere falowith, and dimmith is sighte." Early Eng. Poems , p. 20. *dim-discovered, a. Dimly or faintly seen. "Ships, dim - discovered , dropping from the clouds." Thomson: Summer, 946. dim-eyed, a. Having weak or bad vision. dim-seen, a . Dimly seen. "The dim -seen eagle."- Keats : Sleep and Poetry. dim-sighted, a. Dull, obtuse. "Too small, perhaps, the slight occasion For our dim - sighted observation." Cowper: Epistle to Lady Austen. dim-twinkling, a. Twinkling or shining dimly or faintly. di-măg-net-ite, s. [Gr.di= dis =twice, twofold, and Eng. magnetite (q. v.).] Min.: A magnetite pseudomorph from Monroe, Orange Co., N. Y. ( Dana .) Logic: An arbitrary name for a mode of syllo- gisms in the fourth figure, in which the Middle Term is the predicate of the Major and the subject of the Minor Premise. This figure is the most awkward and unnatural of all, and is the direct reverse of the first. Taking X to represent the Major term, Z the Minor, and Y the Middle, this syllogism may be expre ed thus: Some X is Y; all Y is Z;... Some is X. For example: (dIm) Some men are Americans. (Ar) All Americans are mortal. (Is) Some mortals are men. *dim-ble, s . [Probably connected with dimple (q. v.).] A dell, a dingle; a bower. "Deep in a gloomy dimble she doth dwell." Ben Jonson: Sad Shepherd, ii. 2. dime, *disme, *dyme, s. [Fr.; O. F. disme , dixme : 'Prov. des me, dei me ; O. Sp. diezmo , diezma ; Ital. decima , from Lat. decimus (m.), decima (f.)= tenth; decem =ten.] 2. Size, extent (generally in the plural). "There are a few of much greater dimension."-Dar- win: Voyage Round the World (1870), ch. ii., p. 25. *3. Outline, shape, figure. "In dimension and the shape of nature A gracious person." II. Fig .: Size, importance, consequence. B. Technically : Dimensional equations : They are such as the following: The dimensions of acceleration are (time)2; the dimensions of the unit of acceleration are (unit of time)2 Or (more shortly) velocity = length -; acceleration = velocity, length time time (time)? ( Ever- ett: The C. G. S. System of Units (1875), ch. i., p. 4. di-men-sioned, *di-men-cioned, a. [Eng. dimension; -ed.] Having dimensions. (Seldom found except in composition.) di-men-sion-le , [Eng. dimension ; -le .] 1. Devoid of size or dimensions; without size; hence insignificantly small. "As the earth is but a point compared to the orb of Saturn, so the orb of Saturn itself grows dimensionle when compared with that vast extent of space."- War burton: Works , vol. ix., serm. 2. 2. Without any definite shape or form. "In they pa 'd Dimensionle through heavenly doors." Milton: P. L. , xi. 16, 17. di-mens-i-ty, s. [Formed on the analogy of immensity (q. v.).] Extent, capacity. "Of the smallest stars in sky We know not the dimensity ." Howell: Letters, iv. 44. di-měn'-sive, a. [Lat. dimens ( us ), pa. par. of dimetior , and Eng. adj. suff. -ive .] 1. Having dimensions; of a definite size. "The existence of his body is dimensive , and complete with the full proportion and quantity of the same bodie wherewith he ascended."- Fox : Martyrs , p. 210. 2. That marks the dimensions, boundaries, or out- lines of. "All bodies have their measure, and their space; But who can draw the soul's dimensive lines?" Davies: Immortality of the Soul, iv. dim-er-ą, dim-er-ănş, s. pl. [Gr. di = dis = meros a part.] twice, twofold, and meros = Entom.: A section of Homoptera, in which the tarsi are two-jointed, as in the Aphides. dim-er-o-so-ma-ta, s. pl . [Gr. di = dis =twice, twofold, meros =a part, and soma , pl. sõmat a =a body.] 1. Alg .: A literal factor of a product or term; also called a degree (q. v.): thus a2b is an expre ion of eter iambick." - Tyrwhitt: E ay on Chaucer. three dimensions. A simple equation is said to be of one dimension, a quadratic of two , a cubic of three, and so on. 2. Geom.: Extension in a single line or direction. A line is extended in one direct i or, or has one di . mension , that is length ; a surface is extended in two directions, or has two dimensions , length and breadth ; a solid is extended in three directions, or has three dimensions , length , breadth , and height or thickne . [GEOMETRY.] IMG:content-2521.png:[blocks in formation] dim i cation *dim-i-ca-tion, s. [Lat. dimicatio , from dimico =to fight.] The act of fighting; a fight, a contest. *di-mid-i-ate, v . t . [DIMIDIATE, a .] 1. Ord . Lang .: To divide into halves; to halve. 2. Her.: To represent the half of.