Wiktionary英语词典
收录 1,329,381 个英语单词，来自Wiktionary的英文释义、IPA发音、词源、词形变化和词汇关系数据
N开头单词
(共45,686个)
A type of device file that discards all written data in it.
plural of null device
plural of null hypothesis
A hypothesis set up to be nullified or refuted in order to support an alternative hypothesis. When u...
plural of null infinity
In a closed space-time, especially for an Einstein cylinder, null infinity for a given point is the ...
The location at zero degrees latitude and zero degrees longitude (0°N 0°E).
plural of null matrix
A zero matrix.
plural of null matrix
A means of directly connecting two pieces of equipment (computer, printer, etc.) using a serial cabl...
plural of null modem
A morpheme that has no phonetic form, represented as the empty set symbol ∅.
plural of null morpheme
An object that is both an initial and terminal object.
plural of null object
The path length from a given node to its nearest descendant null node in a binary tree.
plural of null path length
persistent with infinite expected return time.
A pointer that does not point to any data object.