Computers. a control character representing nothing, with the value of binary zero, but having special meaning when interpreted as text, as in marking the end of character strings.
[nuhl] /nʌl/ adjective 1. without value, effect, consequence, or significance. 2. being or amounting to nothing; nil; lacking; nonexistent. 3. Mathematics. 4. being or amounting to zero. noun 5. Electronics. a point of minimum signal reception, as on a radio direction finder or other electronic meter. verb (used with object) 6. to cancel; make null. […]
noun 1. (in the statistical testing of a hypothesis) the hypothesis to be tested. noun 1. (statistics) the residual hypothesis if the alternative hypothesis tested against it fails to achieve a predetermined significance level Compare hypothesis testing, alternative hypothesis noun the proposition that is to be tested; the hypothesis under investigation Examples A null hypothesis […]
1. a combining form meaning “none,” “null”: nullipara.
[nuhl-uh-fi-key-shuh n] /ˌnʌl ə fɪˈkeɪ ʃən/ noun 1. an act or instance of . 2. the state of being . 3. (often initial capital letter) the failure or refusal of a U.S. state to aid in enforcement of federal laws within its limits, especially on Constitutional grounds. n. in U.S. political sense of “a state’s […]