Test vs Null - What's the difference?
test | null |
A cupel or cupelling hearth in which precious metals are melted for trial and refinement.
A , trial.
* {{quote-magazine, year=2012, month=March-April
, author=Colin Allen
, title=Do I See What You See?
, volume=100, issue=2, page=168
, magazine=(American Scientist)
(academia) An examination, given often during the academic term.
A session in which a product or piece of equipment is examined under everyday or extreme conditions to evaluate its durability, etc.
A Test match.
(marine biology) The external calciferous shell, or endoskeleton, of an echinoderm, e.g. sand dollars]] and sea urchins.
(botany) Testa; seed coat.
Judgment; distinction; discrimination.
* Dryden
To refine (gold, silver, etc.) in a test or cupel; to subject to cupellation.
To .
To put to the proof; to prove the truth, genuineness, or quality of by experiment, or by some principle or standard; to try.
* Washington
(academics) To administer or assign an examination, often given during the academic term, to (somebody).
To place a product or piece of equipment under everyday and/or extreme conditions and examine it for its durability, etc.
* {{quote-magazine, year=2013, month=May-June, author=
, title= (copulative) To be shown to be by test.
(chemistry) To examine or try, as by the use of some reagent.
(obsolete) A witness.
* Ld. Berners
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 test and null
is that test is a cupel or cupelling hearth in which precious metals are melted for trial and refinement or test can be (obsolete) a witness while null is a non-existent or empty value or set of values.As verbs the difference between test and null
is that test is to refine (gold, silver, etc) in a test or cupel; to subject to cupellation or test can be (obsolete) to make a testament, or will while null is to nullify; to annul.As an adjective null is
having no validity, "null and void".test
English
Etymology 1
From (etyl) ; see terra, thirst.Noun
(en noun)citation, passage=Numerous experimental tests and other observations have been offered in favor of animal mind reading, and although many scientists are skeptical, others assert that humans are not the only species capable of representing what others do and don’t perceive and know.}}
- Who would excel, when few can make a test / Betwixt indifferent writing and the best?
Synonyms
* (challenge) challenge, trial * (sense) quiz, examinationAntonyms
* (challenge) breeze * (sense) recessDerived terms
* acid test * babysitter test * blood test * flame test * inkblot test * litmus test * nose test * Rorschach test * smell test * smoke test * sniff test * stress test * test case * tester * test tubeDescendants
* German: (l) * Dutch: (l)Verb
(en verb)- Climbing the mountain tested our stamina.
- to test''' the soundness of a principle; to '''test the validity of an argument
- Experience is the surest standard by which to test the real tendency of the existing constitution.
Charles T. Ambrose
Alzheimer’s Disease, volume=101, issue=3, page=200, magazine=(American Scientist) , passage=Similar studies of rats have employed four different intracranial resorbable, slow sustained release systems— […]. Such a slow-release device containing angiogenic factors could be placed on the pia mater covering the cerebral cortex and tested in persons with senile dementia in long term studies.}}
- to test a solution by litmus paper
Descendants
* German: (l)Etymology 2
From (etyl) tester, from (etyl) .Noun
(en noun)- Prelates and great lords of England, who were for the more surety tests of that deed.
External links
* *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.