Cathode vs Null - What's the difference?
cathode | null |
(electricity) An electrode, of a cell or other electrically polarized device, through which a current of electricity flows inwards (and thus, electrons flow outwards). It usually, but not always, has a negative voltage.
(chemistry, by extension) The electrode at which chemical reduction of cations takes place, usually resulting in the deposition of metal onto the electrode.
(electronics) The electrode from which electrons are emitted into a .
(electronics) That electrode of a semiconductor device which is connected to the n-type material of a p-n junction.
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 cathode and null
is that cathode is (electricity) an electrode, of a cell or other electrically polarized device, through which a current of electricity flows inwards (and thus, electrons flow outwards) it usually, but not always, has a negative voltage while null is zero, nil; the cardinal number before einn.cathode
English
Alternative forms
* (l)Noun
(wikipedia cathode) (en noun)Coordinate terms
* (l)Derived terms
* (l) * (l) * (l)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.