Mass Mass, n. [OE. masse, F. masse, L. massa; akin to Gr. ? a barley cake, fr. ? to knead. Cf. {Macerate}.] [1913 Webster] 1. A quantity of matter cohering together so as to make one body, or an aggregation of particles or things which collectively make one body or quantity, usually of considerable size; as, a mass of ore, metal, sand, or water. [1913 Webster]

If it were not for these principles, the bodies of the earth, planets, comets, sun, and all things in them, would grow cold and freeze, and become inactive masses. --Sir I. Newton. [1913 Webster]

A deep mass of continual sea is slower stirred To rage. --Savile. [1913 Webster]

2. (Phar.) A medicinal substance made into a cohesive, homogeneous lump, of consistency suitable for making pills; as, blue mass. [1913 Webster]

3. A large quantity; a sum. [1913 Webster]

All the mass of gold that comes into Spain. --Sir W. Raleigh. [1913 Webster]

He had spent a huge mass of treasure. --Sir J. Davies. [1913 Webster]

4. Bulk; magnitude; body; size. [1913 Webster]

This army of such mass and charge. --Shak. [1913 Webster]

5. The principal part; the main body. [1913 Webster]

Night closed upon the pursuit, and aided the mass of the fugitives in their escape. --Jowett (Thucyd.). [1913 Webster]

6. (Physics) The quantity of matter which a body contains, irrespective of its bulk or volume. [1913 Webster]

Note: Mass and weight are often used, in a general way, as interchangeable terms, since the weight of a body is proportional to its mass (under the same or equal gravitative forces), and the mass is usually ascertained from the weight. Yet the two ideas, mass and weight, are quite distinct. Mass is the quantity of matter in a body; weight is the comparative force with which it tends towards the center of the earth. A mass of sugar and a mass of lead are assumed to be equal when they show an equal weight by balancing each other in the scales. [1913 Webster]

{Blue mass}. See under {Blue}.

{Mass center} (Geom.), the center of gravity of a triangle.

{Mass copper}, native copper in a large mass.

{Mass meeting}, a large or general assembly of people, usually a meeting having some relation to politics.

{The masses}, the great body of the people, as contrasted with the higher classes; the populace. [1913 Webster]

The Collaborative International Dictionary of English. 2000.


Look at other dictionaries:

  • Mass — (m[.a]s), n. [OE. masse, messe, AS. m[ae]sse. LL. missa, from L. mittere, missum, to send, dismiss: cf. F. messe. In the ancient churches, the public services at which the catechumens were permitted to be present were called missa catechumenorum …   The Collaborative International Dictionary of English

  • Mass — Mass, v. t. To form or collect into a mass; to form into a collective body; to bring together into masses; to assemble. [1913 Webster] But mass them together and they are terrible indeed. Coleridge. [1913 Webster] …   The Collaborative International Dictionary of English

  • Mass — Mass, v. i. [imp. & p. p. {Massed}; p. pr. & vb. n. {Massing}.] To celebrate Mass. [Obs.] Hooker. [1913 Webster] …   The Collaborative International Dictionary of English

  • Mass — This article is about the scientific concept. For the substance of which all physical objects consist, see Matter. For other uses, see Mass (disambiguation). Classical mechanics …   Wikipedia

  • mass — I. noun Etymology: Middle English, from Old English mæsse, modification of Vulgar Latin *messa, literally, dismissal at the end of a religious service, from Late Latin missa, from Latin, feminine of missus, past participle of mittere to send Date …   New Collegiate Dictionary

  • Mass No. 3 — Among the mass settings known as Mass No. 3 are: Bruckner s Mass No. 3 in F minor, WAB 28 Haydn s Mass No. 3 in C major, Cäcilienmesse, H. XXII:5 Haydn s Missa in Angustiis, Novello 3 Mozart s Mass No. 3 in C major, Dominicus, K. 66 This… …   Wikipedia

  • mass — 1. The concentration of combat power. 2. The military formation in which units are spaced at less than the normal distances and intervals …   Military dictionary

  • Mass — abbreviation Massachusetts …   New Collegiate Dictionary

  • Mass spectrometry — (MS) is an analytical technique that measures the mass to charge ratio of charged particles.[1] It is used for determining masses of particles, for determining the elemental composition of a sample or molecule, and for elucidating the chemical… …   Wikipedia

  • Mass in special relativity — incorporates the general understandings from the concept of mass energy equivalence. Added to this concept is an additional complication resulting from the fact that mass is defined in two different ways in special relativity: one way defines… …   Wikipedia

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