Iris vs Null - What's the difference?
iris | null |
(lb) A plant of the genus Iris , common in the northern hemisphere, and generally having attractive blooms ().
*
*:Breezes blowing from beds of iris quickened her breath with their perfume; she saw the tufted lilacs sway in the wind, and the streamers of mauve-tinted wistaria swinging, all a-glisten with golden bees; she saw a crimson cardinal winging through the foliage, and amorous tanagers flashing like scarlet flames athwart the pines.
(lb) The contractile membrane perforated by the pupil, which adjusts to control the amount of light reaching the retina, and which forms the colored portion of the eye ().
A diaphragm used to regulate the size of a hole, especially as a way of controlling the amount of light reaching a lens.
(lb) A rainbow, or other colourful refraction of light.
(lb) A constricted opening in the path inside a waveguide, used to form a resonator.
For the flower both iris'' and ''irises are in common use.
1996, 2000s=2004}} * 1989, Ann Lovejoy, The Year in Bloom [http://books.google.com/books?ie=UTF-8&hl=en&id=B2WnTx8ZSXoC&pg=PA107&lpg=PA107&sig=kTR265orMNqHigdpkspkvz5gF8c] *: Is there anything more spectacular than the bearded iris in their short season? * 1996, Katherine Grace Endicott, Northern California Gardening [http://books.google.com/books?ie=UTF-8&hl=en&id=2Orl1AcbaT4C&pg=PA138&lpg=PA138&sig=sRNZY7Jc53QpEqCrkaHoFKHx7_g] *: Tall bearded iris are in bloom now. * 2004, Diana Beresford-Kroeger, A Garden for Life [http://print.google.com/print?id=0sPBOVSC2MUC&pg=PA84&lpg=PA84&sig=bEEefwPluRvCp36e6pF5AkExCKk] *: The bulbous iris are important because their early flowers provide a food source for bees and early flying insects. plural irides {{timeline, 1800s=1843, 1900s=1989, 2000s=2001}} * 1843, The Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge *: In colour the irides are straw-yellow, the pupils black; forehead, nape, and back, very dark bluish-black; [...] * 1989, Robert S Ridgely, The Birds of South America [http://books.google.com/books?ie=UTF-8&hl=en&id=tRBb15pk4w0C&pg=RA1-PA374&lpg=RA1-PA374&sig=PZFkFg4LIlBDqSgZ7Z7DnYYha6M] *: As in the caciques, bills are sharply pointed and pale, while irides are usually pale blue. * 2001, John V Forrester et al., The Eye [http://books.google.com/books?ie=UTF-8&hl=en&id=CTltcMRq8_QC&pg=PA121&lpg=PA121&sig=oUK2_xiWqgcZ-USI7UBo0HxuBy4] *: Later in life brown irides are the result of heavily pigmented melanocytes within the stroma. plural irises {{timeline, 1900s=1987
2000, 2000s=2002}} * 1987, Pamela Harper, Frederick McGourty, Perennials [http://books.google.com/books?ie=UTF-8&hl=en&id=Mi5_h7ryCi0C&pg=PA109&lpg=PA109&sig=8_7tj1vGAjqwhPowAsYKQyL0QE8] *: Tall bearded irises are easy to grow but not always easy to grow well. * 2000, Kevin C Voughn, Louisiana Iris [http://books.google.com/books?ie=UTF-8&hl=en&id=4-T1HH-X1_sC&pg=PA44&lpg=PA44&sig=D957MQkQUZqTgY7ex8mGf0R6Wa4] *: Most iris lovers feel that Louisiana irises are now large enough. * 2002, John E Bryan, Bulbs [http://books.google.com/books?ie=UTF-8&hl=en&id=v-h4dovkqxgC&pg=PA296&lpg=PA296&sig=Oj6ubuGG706mBqxu_tKlzU90Q-0] *: All these irises are sold as dry, dormant bulbs in fall. 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 a proper noun iris
is (female given name).As a noun null is
zero, nil; the cardinal number before einn.iris
English
("iris" on Wikipedia)Noun
(See Usage notes)Usage notes
For the part of the eye, the usual medical plural is irides.For the flower both iris'' and ''irises are in common use.
Quotations
plural iris {{timeline, 1900s=19891996, 2000s=2004}} * 1989, Ann Lovejoy, The Year in Bloom [http://books.google.com/books?ie=UTF-8&hl=en&id=B2WnTx8ZSXoC&pg=PA107&lpg=PA107&sig=kTR265orMNqHigdpkspkvz5gF8c] *: Is there anything more spectacular than the bearded iris in their short season? * 1996, Katherine Grace Endicott, Northern California Gardening [http://books.google.com/books?ie=UTF-8&hl=en&id=2Orl1AcbaT4C&pg=PA138&lpg=PA138&sig=sRNZY7Jc53QpEqCrkaHoFKHx7_g] *: Tall bearded iris are in bloom now. * 2004, Diana Beresford-Kroeger, A Garden for Life [http://print.google.com/print?id=0sPBOVSC2MUC&pg=PA84&lpg=PA84&sig=bEEefwPluRvCp36e6pF5AkExCKk] *: The bulbous iris are important because their early flowers provide a food source for bees and early flying insects. plural irides {{timeline, 1800s=1843, 1900s=1989, 2000s=2001}} * 1843, The Penny Cyclopaedia of the Society for the Diffusion of Useful Knowledge *: In colour the irides are straw-yellow, the pupils black; forehead, nape, and back, very dark bluish-black; [...] * 1989, Robert S Ridgely, The Birds of South America [http://books.google.com/books?ie=UTF-8&hl=en&id=tRBb15pk4w0C&pg=RA1-PA374&lpg=RA1-PA374&sig=PZFkFg4LIlBDqSgZ7Z7DnYYha6M] *: As in the caciques, bills are sharply pointed and pale, while irides are usually pale blue. * 2001, John V Forrester et al., The Eye [http://books.google.com/books?ie=UTF-8&hl=en&id=CTltcMRq8_QC&pg=PA121&lpg=PA121&sig=oUK2_xiWqgcZ-USI7UBo0HxuBy4] *: Later in life brown irides are the result of heavily pigmented melanocytes within the stroma. plural irises {{timeline, 1900s=1987
2000, 2000s=2002}} * 1987, Pamela Harper, Frederick McGourty, Perennials [http://books.google.com/books?ie=UTF-8&hl=en&id=Mi5_h7ryCi0C&pg=PA109&lpg=PA109&sig=8_7tj1vGAjqwhPowAsYKQyL0QE8] *: Tall bearded irises are easy to grow but not always easy to grow well. * 2000, Kevin C Voughn, Louisiana Iris [http://books.google.com/books?ie=UTF-8&hl=en&id=4-T1HH-X1_sC&pg=PA44&lpg=PA44&sig=D957MQkQUZqTgY7ex8mGf0R6Wa4] *: Most iris lovers feel that Louisiana irises are now large enough. * 2002, John E Bryan, Bulbs [http://books.google.com/books?ie=UTF-8&hl=en&id=v-h4dovkqxgC&pg=PA296&lpg=PA296&sig=Oj6ubuGG706mBqxu_tKlzU90Q-0] *: All these irises are sold as dry, dormant bulbs in fall.
Derived terms
* iridal * iridial * iridian * iridium * iridocyclitis * iridology * Iris (proper name) * iritisSee also
* *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.