[nʌl], (Adjective)

Definitions:
- having no legal or binding force; invalid
(e.g: the court ruled that the contract contained several infringements and therefore declared it null and void)

- having or associated with the value zero

- lacking distinctive qualities; having no positive substance or content
(e.g: his curiously null life)


Phrases:

Origin:
late Middle English: from French nul, nulle, from Latin nullus ‘none’, from ne ‘not’ + ullus ‘any’

[nʌl], (Noun)

Definitions:
- a zero

- a dummy letter in a cipher

- a condition of no signal


Phrases:

Origin:
late Middle English: from French nul, nulle, from Latin nullus ‘none’, from ne ‘not’ + ullus ‘any’

[nʌl], (Verb)

Definitions:
- combine (a signal) with another in order to create a null; cancel out
(e.g: the tumour can be more readily identified by nulling the high signal from bone marrow)


Phrases:

Origin:
late Middle English: from French nul, nulle, from Latin nullus ‘none’, from ne ‘not’ + ullus ‘any’