Pen vs Null - What's the difference?
pen | null |
An enclosed area used to contain domesticated animals, especially sheep or cattle.
A place to confine a person; a prison cell.
(baseball) The bullpen.
To enclose in a pen.
* Milton
A tool, originally made from a feather but now usually a small tubular instrument, containing ink used to write or make marks.
(figurative) A writer, or his style.
* Fuller
A light pen.
(zoology) The internal cartilage skeleton of a squid, shaped like a pen.
A feather, especially one of the flight feathers of a bird, angel etc.
* 1590 , Edmund Spendser, The Faerie Queene , I.xi:
(poetic) A wing.
To write (an article, a book, etc.).
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 a symbol pen
is peruvian nuevo sol.As a noun null is
zero, nil; the cardinal number before einn.pen
English
(wikipedia pen)Etymology 1
From (etyl) . More at pin. Sense “prison” originally figurative extension to enclosure for persons (1845), later influenced byNoun
(en noun)- There are two steers in the third pen .
- They caught him with a stolen horse, and he wound up in the pen again.
- Two righties are up in the pen .
Verb
- Watching where shepherds pen their flocks at eve.
Etymology 2
From (etyl) (m), from (etyl) (m), from (etyl) (Modern English (m)); note the /p/ ? /f/ Germanic sound change. See feather and for more.Noun
(en noun)- He took notes with a pen .
- He has a sharp pen .
- those learned pens
- And eke the pennes , that did his pineons bynd, / Were like mayne-yards, with flying canuas lynd, / With which whenas him list the ayre to beat
- (Milton)
Derived terms
* ball pen * ball-point pen * border pen * bull pen * cartridge pen * felt-tip pen * fountain pen * goose pen * lettering pen * pen cancellation * pen feather * pen-mate * penmanship * pen name * pen pal * pen-pusher * poison pen * you don't dip your pen in company inkVerb
(penn)Etymology 3
Origin uncertain.Etymology 4
Shortned form of penaltyReferences
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.
