(n) a vast arid plain of southern Australia stretching inland from the Great Australian Bight; has sparse vegetation and no surface water and is almost uninhabited; the site of a major rocket research center
a. [ L. nullus not any, none; ne not + ullus any, a dim. of unus one; cf. F. nul. See No, and One, and cf. None. ] 1. Of no legal or binding force or validity; of no efficacy; invalid; void; nugatory; useless. [ 1913 Webster ]
Faultily faultless, icily regular, splendidly null, Dead perfection; no more. Tennyson. [ 1913 Webster ]
2. Having a value of zero; as, of null utility. [ PJC ]
3. (Math.) Empty; having no members; as, the null set. [ PJC ]
4. (Computers) Unassigned or meaningless; -- a special value given to variables, especially pointers or logical variables, indicating that it is meaningless and cannot be used in computation; as, an uninitialized pointer in "C" is given a null value. The actual value that is stored in memory to indicate the null condition may vary with the computer language used. [ PJC ]
‖n. [ Hind. nālā, fr. Skr. nāla tube. ] A water course, esp. a dry one; a gully; a gorge; -- orig. an East Indian term. E. Arnold. [ Webster 1913 Suppl. ]
n. [ L. nullificatio contempt. See Nullify. ] The act of nullifying; a rendering void and of no effect, or of no legal effect. [ 1913 Webster ]
Right of nullification (U. S. Hist.), the right claimed in behalf of a State to nullify or make void, by its sovereign act or decree, an enactment of the general government which it deems unconstitutional. [ 1913 Webster ]
แสดงได้ทั้งความหมายของคำเดี่ยว และคำผสม ได้อย่างถูกต้อง
เช่น Secretary of State=รัฐมนตรีต่างประเทศของสหรัฐฯ (ในภาพตัวอย่าง),
High school=โรงเรียนมัธยมปลาย