| 释义 |
octonary, a. and n.|ˈɒktəʊnərɪ|
[ad. L. octōnāri-us containing eight, f. octōnī (see octonal).]
A. adj. Pertaining to the number eight: consisting of eight; proceeding by eights; spec. = octal a. 1.
1615Jackson Creed iv. iv. §4 Eight..compared with seven is a greater number,..and yet the octonary number applied to nine, is less than the septenary applied to seven material numerables. 1633T. Adams Exp. 2 Peter iii. 17 In Noah's octonary family, one was a son of Belial. 1845B. Thorpe Lappenberg's Eng. under Anglo-Sax. Kings I. 82 Of greater importance..would be the knowledge of the numeral system in use among the Saxons. I am inclined to the belief that the octonary..was the one followed. 1891Bull. N.Y. Math. Soc. I. 5 The distinction between numbers of the form 4n + 1 and those of the form 4n + 3 is of great importance in the theory of numbers, and in the octonary system it would be obvious at a glance to which of these classes a given uneven number belongs. 1957D. D. McCracken Digital Computer Programming iii. 33 The simple reason for the use of octal (also sometimes called octonary) numbers is that the conversion from binary to octal can be carried out mentally. 1963L. Schultz Digital Processing i. 22 Requiring eight symbols, the octal (sometimes, ‘octonary’) system proves to be a convenient means of expressing a binary value in a number approximately one-third the length of the binary number.
B. n. A group of eight, an ogdoad; a group or stanza of eight lines of verse (esp. used of the divisions of the 119th Psalm).
1535Goodly primer, Commendations Ps. cxix, The first Octonary. Aleph... The second Octonary. Beth. [etc.]. 1657Trapp Comm. Ps. cxix. 1 Pindarus and other Poets had their Ogdoades or Octonaries. a1677Manton Serm. Ps. 119. lxiii. verse 56. 1882 Spurgeon Treas. Dav. Ps. cxix. title, The whole Psalm proceeds by octonaries. |