Nuller, an optical tool using interferometry to block certain sources of light
Computing
Null (SQL) (or NULL), a special marker and keyword in SQL indicating that a data value does not exist, is not known, or is missing.
Null character, the zero-valued ASCII character, also designated by NUL, often used as a terminator, separator or filler. This symbol has no visual representation.
Null device, a virtual file that discards data written to it, on Unix systems /dev/null
Null pointer or reference (sometimes written NULL, nil, or None), an object pointer (or reference) not currently set to point (or refer) to a valid object
Linguistics
Null (linguistics) (sometimes zero), a segment that is not pronounced or written:
Null morpheme (or zero morpheme), a morpheme that has no phonetic form.
Null coda, the coda of syllables ending in a vowel; especially in reference to languages that forbid codas.
Null onset (or empty onset, or zero onset), the onset of syllables beginning in a vowel; forbidden in some languages.
Null-onset letter (or zero consonant), a consonant letter that does not correspond to a consonant sound, but is required when a word or syllable starts with a vowel.
Null-subject language, a language whose grammar permits an independent clause to lack an explicit subject; such a clause is said to have a "null subject".
Null copula (or zero copula), a linguistic phenomenon whereby the subject is joined to the predicate without overt marking of this relationship.
This disambiguation page lists articles associated with the title Null. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.
