Mask vs Null - What's the difference?
mask | null |
A cover, or partial cover, for the face, used for disguise or protection.
That which disguises; a pretext or subterfuge.
A festive entertainment of dancing or other diversions, where all wear masks; a masquerade
* (rfdate) :
(obsolete) A dramatic performance, formerly in vogue, in which the actors wore masks and represented mythical or allegorical characters.
(architecture) A grotesque head or face, used to adorn keystones and other prominent parts, to spout water in fountains, and the like; -- called also mascaron.
(fortification) In a permanent fortification, a redoubt which protects the caponiere.
(fortification) A screen for a battery
(zoology) The lower lip of the larva of a dragonfly, modified so as to form a prehensile organ.
(Puebloan, anthropology) A ceremonial object used in Puebloan kachina cults that resembles a Euro-American masks. (The term is objected as an appropriate translation by Puebloan peoples as it emphasizes imitation but ignores power and representational intent.)
(computing, programming) A pattern of bits used in bitwise operations; bitmask.
(computer graphics) A two-color (black and white) bitmap generated from an image, used to create transparency in the image.
To cover, as the face, by way of concealment or defense against injury; to conceal with a mask or visor.
* (rfdate) Shakespeare, Merry Wives of Windsor, IV,vi :
To disguise; to cover; to hide.
* (rfdate) Shakespeare, Macbeth, III-i :
(military) To conceal; also, to intervene in the line of.
(military) To cover or keep in check.
To take part as a masker in a masquerade
To wear a mask; to be disguised in any way
(computing) To set or unset (certain bits, or binary digits, within a value) by means of a bitmask.
* 1993 , Richard E. Haskell, Introduction to computer engineering (page 287)
(computing) To disable (an interrupt, etc.) by unsetting the associated bit.
* 1998 , Rick Grehan, ?Robert Moote, ?Ingo Cyliax, Real-time programming: a guide to 32-bit embedded development
To mash.
(brewing) To mix malt with hot water to yield wort.
To prepare tea in a teapot; alternative to brew.
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 mask and null
is that mask is a cover, or partial cover, for the face, used for disguise or protection or mask can be a mesh or mask can be mash while null is zero, nil; the cardinal number before einn.As a verb mask
is to cover, as the face, by way of concealment or defense against injury; to conceal with a mask or visor or mask can be to mash or mask can be to bewilder; confuse.mask
English
(wikipedia mask)Etymology 1
From (etyl) . . * Derived from the -r- form: (etyl) maschera, (etyl) and (etyl) , (etyl) masker, (etyl) masquerade. * Derived from the form lacking -r- : German Maske and Swedish mask.Alternative forms
* (l)Noun
(en noun)- a dancer's mask'''; a fencer's '''mask'''; a ball player's '''mask
- (Francis Bacon)
- This thought might lead me through the world's vain mask .
Hyponyms
* (a cover for the face) (l), (l)Derived terms
* dust mask * death mask * gas mask, gasmask * mask house(qualifier) * screen mask * unmaskVerb
(en verb)- They must all be masked and vizarded
- Masking the business from the common eye
- to mask a body of troops or a fortess by a superior force, while some hostile evolution is being carried out
- (Cavendish)
- (Shakespeare)
- That is, the lower nibble (the 4 bits 1010 = A) has been masked to zero. This is because ANDing anything with a zero produces a zero, while ANDing any bit with a 1 leaves the bit unchanged
- When should you mask a specific interrupt, rather than disabling all interrupts?
Etymology 2
From (etyl) maske, from (etyl) max, .Etymology 3
From (etyl) . More at (l).Verb
(en verb)Etymology 4
From (etyl) masken, short for . More at (l).References
Anagrams
* ----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.
