Firefly vs Null - What's the difference?
firefly | null |
Any beetle of the family Lampyridae, which exhibit bioluminescence during twilight.
* 2000 , Exploring Life Science , 2: Bats—Cave Life, Marshall Cavendish,
* 2004 , B. V. David, T. N. Ananthakrishnan, Chapter 20: Bioluminescence'', ''General and Applied Entomology , Tata McGraw-Hill, 2nd Edition,
* 2007 , Lars Olof Björn, Helen Ghiradella, 23: Bioluminescence'', Lars Olof Björn (editor), ''Photobiology: The Science of Life and Light , Springer, 2nd Edition,
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 firefly and null
is that firefly is any beetle of the family lampyridae, which exhibit bioluminescence during twilight while null is zero, nil; the cardinal number before einn.firefly
English
(wikipedia firefly) (Lampyridae)Noun
page 96,
- Fireflies' are the best-known insects that produce light.Many ' fireflies use their light to communicate, particularly at mating time when males and females have to get together.
page 130,
- The luciferins are different in different species and today both the luciferin and luciferase in the firefly are available in the crystalline form.
page 607,
- Various other luciferase genes, especially the firefly' luciferase gene, are also used for the study of gene regulation.The classic use of bioluminescence, however, is the use of a luciferin-luciferase mixture from ' fireflies as an assay for ATP.
Synonyms
* (beetle) lightning bugSee also
* glowwormnull
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.