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Any particular system of characters, symbols, or abbreviated expressions used in art or science, to express briefly technical facts, quantities, etc. Esp., the system of figures, letters, and signs used in arithmetic and algebra to express number, quantity, or operations.

ligence, by whatever means communicated; knowledge given or received; means of knowledge; express notification; announcement; warning. I . . . have given him notice that the Duke of Cornwall and Regan his duchess will be here. Shak.

Consisting of, or conveying, notions or ideas; expressing abstract conceptions.

umerable aggregate or collection of individuals; an assemblage made up of distinct things expressible by figures.

Expressing number; representing number; as, numeral letters or characters, as X or 10 for ten.

The act or art of reading numbers when expressed by means of numerals. The term is almost exclusively applied to the art of reading numbers written in the scale of tens, by the Arabic method. Davies & Peck.

Belonging to number; denoting number; consisting in numbers; expressed by numbers, and not letters; as, numerical characters; a numerical equation; a numerical statement.

oper or improper fraction, or incommensurable ratio. The term also includes any imaginary expression like m + nsq. root-1, where m and n are real numerics.

ere repeated successively from the first to the last day of the year. One of these always expressed the market day, which returned every nine days (every eight days by our reckoning).

om the notion that the ternary, or number 3, is the most perfect of numbers, and properly expressed by a circle, the most perfect figure. O was also anciently used to represent 11: with a dash over it (O O, n.; pl. O's or Oes (.

nything divine or sacred, by way of appeal or as a profane exclamation or ejaculation; an expression of profane swearing. "A terrible oath" Shak.

A manifestation of obedience; an expression of difference or respect; homage; a bow; a courtesy. Bathsheba bowed and did obeisance unto the king. 1 Kings i. 16.

Designed to objurgate or chide; containing or expressing reproof; culpatory. Bancroft. The objurgatory question of the Pharisees. Paley.

whole much obliged to Pope Urban VIII. Evelyn. I shall be more obliged to you than I can express. Mrs. E. Montagu.

To annul indirectly by enacting a new and contrary law, instead of by expressly abrogating or repealing the old one. [Obs.] Bailey.

Offensive to chastity or modesty; expressing of presenting to the mind or view something which delicacy, purity, and decency forbid to be exposed; impure; as, obscene language; obscene pictures. Words that were once chaste, by frequent use grew obscene and uncleanly. I. Watts.

Expressing, or used in, entreaty; supplicatory. [R.] Bp. Hall.

Hence: An expression of an opinion or judgment upon what one has observed; a remark. "That's a foolish observation." Shak. To observations which ourselves we make We grow more partial for the observer's sake. Pope.

To express as what has been noticed; to utter as a remark; to say in a casual or incidental way; to remark.

ench method of numeration (which method is followed also in the United States) the number expressed by a unit with twenty-seven ciphers annexed. According to the English method, the number expressed by a unit with forty-eight ciphers annexed. See Numeration.