cirrus
cirrus
Definition
cir·rus (sir′əs)
noun
- pl. cir′ri′-ī′Biol.
- a plant tendril
- a flexible, threadlike tentacle or appendage, as the feelers of certain organisms
- a cone-shaped cluster of fused cilia, occurring in many species of infusorians
- pl. cir′·rusMeteorol. the type of white cloud that resembles a wispy filament, found at high altitudes and consisting of ice crystals
Etymology: L, a lock, curl, tendril
cirrus
Usage Examples
Converse of object
- leave: Most low level cloud cleared away by mid afternoon leaving only cirrus, but returned from the W later.
- call: Other ciliates have thick round bundles of cilia called cirri which act like legs and enable the organism to actually walk over a surface.
- form: A few contrails forming cirrus drifting from the NE otherwise wall-to-wall sunshine, Valley reported { 12h } , the most in the UK.
Adjective modifier
- high: This earlier photograph was taken following a day in which high cirrus had been seeded by aircraft trails.
- thin: The weather here is glorious - another floor to ceiling blue sky, with some thin cirrus to color it in.
- tropical: Deep convective clouds also produce large extensive anvils in the upper troposphere and are a major source of tropical cirrus.
Modifies a noun
- cloud: A ring around the moon is caused by the high altitude cirrus clouds which precede low pressure systems bearing moisture.
- overhead: The morning was sunny in smoke haze with frontal cloud still to the S and to the NE with a little cirrus overhead.
- logic: Cirrus Logic is steadfastly optimistic about CobraNet's continuing role as a driving force behind the growth of the digital audio networking market.
- formation: In some cases ( e.g. cirrus formation; chemistry of nitrogen oxides ), the basic science of the relevant processes is poorly understood.
- card: Credit cards and Cirrus cards can be used in a number of cashpoint machines.
- contamination: This provides a global measure of cirrus contamination, especially at 100 microns.
Noun used with modifier
- level: The mornings briefing was for thickening high level Cirrus as the day progressed but a short soaring window before it got here.
- okta: There was hazy sunshine through 5 oktas cirrus clouds and visibility was good.
- stream: The sky partially cleared during the morning revealing jet stream cirrus and there were some good sunny spells that lasted into early afternoon.
Browse dictionary entries near cirrus
- cirrostratus
- cirrose
- cirrocumulus
- cirro-
- cirriped
- cirriform
- cirri
- cirrhosis
- cirrate
- cirque
- cirsoid
- CIS
- cis-
- cisalpine
- cisatlantic
- cisco
- Cisco Systems, Inc.
- Ciskei
- cislunar
- cismontane
