Naiad


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naiad,

in zoology: see insectinsect,
invertebrate animal of the class Insecta of the phylum Arthropoda. Like other arthropods, an insect has a hard outer covering, or exoskeleton, a segmented body, and jointed legs. Adult insects typically have wings and are the only flying invertebrates.
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Naiad,

in astronomy, one of the natural satellites, or moons, of NeptuneNeptune,
in astronomy, 8th planet from the sun at a mean distance of about 2.8 billion mi (4.5 billion km) with an orbit lying between those of Uranus and the dwarf planet Pluto; its period of revolution is about 165 years.
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Naiad

(nÿ -ad) A small satellite of Neptune, discovered in 1989. See Table 2, backmatter.

Naiad

 

a stage in the development of some insects (stoneflies, mayflies, and dragonflies). Naiads are aquatic forms. The analogous stage in the development of other arthropods is the nymph.

Naiad

[′nī‚ad]
(astronomy)
A satellite of Neptune orbiting at a mean distance of 30,000 miles (48,000 kilometers) with a period of 7.1 hours, and a diameter of about 34 miles (54 kilometers).

naiad

1. Greek myth a nymph dwelling in a lake, river, spring, or fountain
2. the aquatic larva of the dragonfly, mayfly, and related insects
3. any of certain freshwater mussels of the genus Unio
4. any monocotyledonous submerged aquatic plant of the genus Naias (or Najas), having narrow leaves and small flowers: family Naiadaceae (or Najadaceae)
References in periodicals archive ?
Lesbian Nuns did put Naiad Press on a sound financial footing, helping ensure its survival into the new millennium, when it passed its baton to Bella Books.
Taxonomic studies on Odonata naiads are badly ignored in Pakistan.
The present study was undertaken to explore the insect larvae and naiads at Chiliya Bund from where an outlet of Keenjhar Lake is originated.
Soon after the boat was righted, skipper Bruce Guy suffered a massive heart attack as he and crewmember Steve Walker tried to manoeuvre the yacht's liferafts from below, where there was dose to three feet of water inside and Naiad was in danger of foundering.
No more pickets were planned as of Thursday, Naiad said.
For example, if a naiad hatched from the egg in June, it would emerge as an adult the following June; if the naiad hatched in August it would emerge as an adult the following August.
Recreational users have given the smaller Naiad boats (under 16 feet) high marks for their performance, safety and durability.
Prior to that, he was President and CEO of Naiad Technologies, Inc.
The Naiad been absent years since took it shoved it Vincent "The Naiad has also been absent for some years since the council took it away and shoved it in storage.
Naiad Du Misselot should not be too far away, either, when he competes at Kelso.
Two winners from 12 months ago Naiad du Misselot and Finger Onthe Pulse look capable of going in again in the Jewson Novices' Handicap Chase (1.