Echolocation vs Null - What's the difference?
echolocation | null |
The use of echoes to detect objects as observed in bats and other natural creatures. Also known as biosonar.
* {{quote-magazine, year=2013, month=May-June, author=
, title= 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 echolocation and null
is that echolocation is the use of echoes to detect objects as observed in bats and other natural creatures. Also known as biosonar while null is a non-existent or empty value or set of values.As an adjective null is
having no validity, "null and void.As a verb null is
to nullify; to annul.echolocation
English
Noun
(en noun)William E. Conner
An Acoustic Arms Race, volume=101, issue=3, page=206-7, magazine=(American Scientist) , passage=Earless ghost swift moths become “invisible” to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them.}}
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.