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Mayfly vs Null - What's the difference?

mayfly | null |

As nouns the difference between mayfly and null

is that mayfly is any of the many fragile insects of the order ephemeroptera, that develop in fresh water and live very briefly as winged adults while null is zero, nil; the cardinal number before einn.

mayfly

English

(wikipedia mayfly)

Noun

(mayflies)
  • Any of the many fragile insects of the order Ephemeroptera, that develop in fresh water and live very briefly as winged adults.
  • * 2002 , John Gooderham, Edward Tsyrlin, The Waterbug Book , page 132,
  • Adult mayflies' have large compound eyes and most have two pairs of wings.' Mayfly nymphs are distinguished by their three tails (two cerci and a terminal filament) and the set of gills on each side of their abdomen.
  • * 2005 , Terry Hellekson, Fish Flies: The Encyclopedia of the Fly Tier's Art , page 213,
  • Mayflies are fragile, gossamer-winged insects that arise from bodies of water and often swarm in great numbers.
  • * 2010 , Barbara L. Peckarsky, J. David Allan, Angus R. McIntosh, Brad W. Taylor, Chapter 9: Understanding the Role of Predation in Open Systems'', Ian Billick, Mary V. Price (editors), ''The Ecology of Place , page 195,
  • Stoneflies have negligible consumptive (thin solid line) and behavioral effects (thin dashed line) on mayfly' abundance. Consumption by trout decreases the abundance of '''mayflies''' (solid line), but trout suppress ' mayfly emigration (drift) and thereby increase their abundance (thick dashed line).

    Synonyms

    * (any species of Ephemeroptera) shadfly

    See also

    * (mayfly) hatch

    null

    English

    Noun

    (en noun)
  • A non-existent or empty value or set of values.
  • Zero]] quantity of [[expression, expressions; nothing.
  • (Francis Bacon)
  • 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.
  • Since no date of birth was entered for the patient, his age is null .
  • One of the beads in nulled work.
  • (statistics) null hypothesis
  • Adjective

    (en adjective)
  • Having no validity, "null and void"
  • insignificant
  • * 1924 , Marcel Proust, Within a Budding Grove :
  • 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.
  • 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.
  • Derived terms

    * nullity

    Verb

    (en verb)
  • to nullify; to annul
  • (Milton)

    See also

    * nil ----