Duplicate vs Null - What's the difference?
duplicate | null |
being the same as another; identical. This may exclude the first identical item in a series, but usage is inconsistent.
to make a copy of
to do repeatedly; to do again
to produce something equal to
One that resembles or corresponds to another; an identical copy.
* Sir W. Temple
(legal) An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original.
The game of duplicate bridge.
* 1999 , Matthew Granovetter, Murder at the Bridge Table (page 6)
The game of duplicate Scrabble.
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 duplicate and null
is that duplicate is one that resembles or corresponds to another; an identical copy while null is zero, nil; the cardinal number before einn.As an adjective duplicate
is being the same as another; identical this may exclude the first identical item in a series, but usage is inconsistent.As a verb duplicate
is to make a copy of.duplicate
English
Adjective
(-)- This is a duplicate entry.
Verb
(duplicat)- If we duplicate the information, are we really accomplishing much?
- You don't need to duplicate my efforts.
- He found it hard to duplicate the skills of his wife.
See also
* repeatNoun
(en noun)- This is a duplicate , but a very good replica.
- I send a duplicate both of it and my last dispatch.
- (Burrill)
- The momentary madness which infects bridge players occurs frequently at rubber bridge and duplicate ; and though it rarely results in murder, it often terminates marriages and close friendships
Synonyms
* reproductionnull
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.