Envelope vs Null - What's the difference?
envelope | null |
A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
* {{quote-magazine, date=2013-06-14, author=(Jonathan Freedland)
, volume=189, issue=1, page=18, magazine=(The Guardian Weekly)
, title= Something that envelops; a wrapping.
A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.
*
(geometry) A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
(electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
(music) The shape of a sound, which may be controlled by a synthesizer or sampler.
(computing) The information used for routing an email that is transmitted with the email but not part of its contents.
(biology) An enclosing structure or cover, such as a membrane.
(engineering) The set of limitations within which a technological system can perform safely and effectively.
(astronomy) The nebulous covering of the head or nucleus of a comet; a coma.
An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.
(nonstandard)
----
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
As nouns the difference between envelope and null
is that envelope is a paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing while null is zero, nil; the cardinal number before einn.As a verb envelope
is (nonstandard).envelope
English
Etymology 1
From the (etyl) enveloppe, from envelopper.Noun
(en noun)Obama's once hip brand is now tainted, passage=Now we are liberal with our innermost secrets, spraying them into the public ether with a generosity our forebears could not have imagined. Where we once sent love letters in a sealed envelope , or stuck photographs of our children in a family album, now such private material is despatched to servers and clouds operated by people we don't know and will never meet.}}
- (Wilhelm)
Derived terms
* envelope detector * envelope paradox * envelope stuffer * padded envelope * push the envelope * return envelope * window envelopeSynonyms
* (something that envelops ): wrapper * (bag containing the lifting gas ): gasbagSee also
* *Etymology 2
See (envelop).Verb
(envelop)null
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.