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At vs Null - What's the difference?

at | null |

As a symbol at

is .

As a noun null is

zero, nil; the cardinal number before einn.

at

English

(AT)

Preposition

(English prepositions)
  • In or very near a particular place.
  • :
  • *
  • *:“My Continental prominence is improving,” I commented dryly. ¶ Von Lindowe cut at a furze bush with his silver-mounted rattan. ¶ “Quite so,” he said as dryly, his hand at his mustache. “I may say if your intentions were known your life would not be worth a curse.”
  • *
  • *:(b ) sporophyte with foot reduced, the entire sporophyte enveloped by the calyptra, which is ± stipitate at the base.
  • (indicating time) Simultaneous, during.
  • :
  • *{{quote-news, year=2012, date=April 19, author=Josh Halliday, work=the Guardian
  • , title= Free speech haven or lawless cesspool – can the internet be civilised? , passage=Other global taboos, such as sex and suicide, manifest themselves widely online, with websites offering suicide guides and Hot XXX Action seconds away at the click of a button. The UK government will come under pressure to block access to pornographic websites this year when a committee of MPs publishes its report on protecting children online.}}
  • In the direction of (often in an unfocused or uncaring manner).
  • :
  • *
  • *:“My Continental prominence is improving,” I commented dryly. ¶ Von Lindowe cut at a furze bush with his silver-mounted rattan. ¶ “Quite so,” he said as dryly, his hand at his mustache. “I may say if your intentions were known your life would not be worth a curse.”
  • Occupied in (activity).
  • :
  • :
  • Because of.
  • :
  • Holding a given speed or .
  • :
  • In a state of.
  • :
  • bothering, irritating, causing discomfort to
  • *1995 Keith Wood, quoted in David Hughes, " Wood odds-on to take one against the head", in The Independent (London) 18 January:
  • *:I think `Jesus, my back is at' me'. Then I get the ball. Off you go for 10 yards and you don't feel a thing. Then you stop and think: `Jesus, it's ' at me again'[.]
  • *2014 Marian Keyes " Antarctic Diary - Part 2" personal website (January 2014):
  • *:He seems to be saying. “Ah, go on, you’re making the other lads feel bad.” But the 4th fella says, “No. Don’t be ‘at’ me. I’m just not in the form right now, I’ll stay where I am, thanks.”
  • Usage notes

    * He threw the ball to me — (so I could catch it). * He threw the ball at me — (trying to hit me with it). * He talked to her — (conversationally). * He shouted at her — (aggressively).

    Noun

    (en noun)
  • the symbol.
  • Statistics

    *

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
  • (Francis Bacon)
  • 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.
  • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis
  • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
  • 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.
  • 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.
  • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
  • (Milton)

    See also

    * nil ----