Tester vs Null - What's the difference?
tester | null |
A canopy over a bed.
*1603 , (John Florio), translating Michel de Montaigne, Essays , III.13:
*:And I could as hardly spare my gloves as my shirt, or forbeare washing of my hands both in the mornng and rising from the table, or lye in a bed without a testerne and curtaines about it, as of most necessary things.
* Walpole
*{{quote-book, year=1963, author=(Margery Allingham)
, title=(The China Governess)
, chapter=1 Something that overhangs something else; especially a canopy or soundboard over a pulpit.
*1851 , (Herman Melville), (Moby Dick) , :
A person who administers a test.
A device used for testing.
(Australia, slang, obsolete) A punishment of 25 lashes (strokes of a whip) across a person?s back.1987 , , 1996, paperback, ISBN 1-86046-150-6, Chapter 12.
A sample of perfume available in a shop for customers to try before they buy.
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 tester and null
is that tester is a canopy over a bed or tester can be a person who administers a test or tester can be an old french silver coin while null is zero, nil; the cardinal number before einn.tester
English
Etymology 1
Probably from (etyl) testre, from (etyl) testa.Noun
(en noun)- No testers to the bed, and the saddles and portmanteaus heaped on me to keep off the cold.
citation, passage=The half-dozen pieces […] were painted white and carved with festoons of flowers, birds and cupids. […] The bed was the most extravagant piece. Its graceful cane half tester rose high towards the cornice and was so festooned in carved white wood that the effect was positively insecure, as if the great couch were trimmed with icing sugar.}}
- With our shaggy jackets drawn about our shoulders, we now passed the Tomahawk from one to the other, till slowly there grew over us a blue hanging tester of smoke, illuminated by the flame of the new-lit lamp.
Etymology 2
From .Noun
(en noun)Synonyms
* (punishment) Botany Bay dozenEtymology 3
For (testern), (teston), from (etyl) teston, from (etyl) teste the head, the head of the king being impressed upon the coin. See (tester) a covering, and compare (testone), (testoon).Synonyms
* (sixpence) teston, tizzyReferences
Anagrams
* * * English agent nouns ----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.