(n.) Any one of the acalephs, esp. one of the larger species, having a jellylike appearance. See Medusa.
Example Sentences:
(1) When Matt Slater went swimming with his dog Mango in a Cornish estuary this month, he bumped into a barrel jellyfish.
(2) In-hospital resuscitation from unresponsive circulatory arrest should now involve intravenously-administered verapamil (or its equivalent) and additional box-jellyfish antivenom, while the patient is being monitored.
(3) The ultrastructure and major soluble proteins of the transparent eye lens of two cubomedusan jellyfish, Tripedalia cystophora and Carybdea marsupialis, have been examined.
(4) I was sitting in the room, reading all the negativity and death threats, and by now the helium balloons were half-full, hovering like jellyfish.
(5) I know a little about the jellyfishes of Australia because when I worked there for the Guardian, poisonous species such as the box jellyfish would occasionally kill a luckless swimmer off the tropical north coast.
(6) The survey for the UK, which asks people to report jellyfish they see in the sea or on beaches, comes after a mass invasion of thousands of miles of the Mediterranean coastline by millions of jellyfish in June, affecting tourists who head there in the summer.
(7) Both women reported having been stung by jellyfish a month earlier.
(8) These cases corroborate the vascular and neurogenic injury, which previously have been reported in experimental animals and in human patients, that may result from jellyfish venoms.
(9) Contact with the tentacles of the jellyfish had produced characteristic whiplash-like weals on the skin.
(10) Among the newly created MCZs are Mounts Bay, covering St Michael’s Mount and the Marazion where seagrass, stalked jellyfish and crayfish live, and Greater Haig Fras, the only substantial area of rocky reef in the Celtic Sea.
(11) The few skin reactions obtained confirm the low dermototoxicity of the jellyfish studied.
(12) Jellyfish stings should be recognised as an unusual variant of the numerous causes which have been described for Mondor's disease.
(13) From intrepid turtles to pioneering jellyfish, a host of animals have made their mark as the unsung heroes of space exploration.
(14) Mechanisms that cause reentry were defined in rings of tissue cut from jellyfish as early as 1906 by Mayer.
(15) Also featured are the puffer fish, dung beetle, veiled chameleon and moon jellyfish.
(16) It's hard not to describe this creature without resorting to multiple similes – it's like a mushroom, an umbrella, a beating heart, an alien lifeform – all of which diminish its glory, as indeed does the word "jellyfish".
(17) This isn’t just about the effect on other species,” said Stefano Piraino, a jellyfish expert at the University of Salento, and one of the 18 signatories.
(18) Jellyfish appear to be on the increase globally, which may be part of a natural cycle or linked to factors caused by humans such as pollution, over-fishing or even climate change, experts said.
(19) Aequorin, a Ca(II)-sensitive bioluminescent protein from jellyfish, emits light at 469 nm from an excited state of a substituted pyrazine (oxyluciferin) which results from the oxidation of a chromophore molecule that is noncovalently bound to the protein.
(20) A new cytolysin has been isolated from the nematocysts of the jellyfish, Rhizostoma pulmo, and named rhizolysin.
Umbrella
Definition:
(n.) A shade, screen, or guard, carried in the hand for sheltering the person from the rays of the sun, or from rain or snow. It is formed of silk, cotton, or other fabric, extended on strips of whalebone, steel, or other elastic material, inserted, or fastened to, a rod or stick by means of pivots or hinges, in such a way as to allow of being opened and closed with ease. See Parasol.
(n.) The umbrellalike disk, or swimming bell, of a jellyfish.
(n.) Any marine tectibranchiate gastropod of the genus Umbrella, having an umbrella-shaped shell; -- called also umbrella shell.
Example Sentences:
(1) The unauthorised trades remained hidden for years in so-called umbrella accounts set up to store the funds.
(2) The first eigenvector, when represented by grey scale maps depicting a pair of eyes, reveals that, as average threshold increases, the visual field rises and flattens, like an umbrella that, initially closed, is simultaneously opened and thrust upwards.
(3) A full marching band moved through a sea of umbrellas, playing the Les Miserables song Do You Hear the People Sing.
(4) Yau, an “umbrella soldier” , ran in local district council elections for the first time in November 2015, unsuccessfully challenging the pro-Beijing lawmaker Priscilla Leung Mei-fun to whom she lost by just over 300 votes.
(5) It sounds like self-congratulation for disbelieving incorrect forecasts of rain, then proudly stepping into a hailstorm without an umbrella.
(6) Follow-up of 31 patients discharged with devices in place, for a total of 31 patient-years, has yielded no umbrella-related complications.
(7) Most are members of existing rebel battalions or groups who decided to come under the Liwa al-Ummah umbrella; others signed up as individuals ...
(8) Rashkind's "double umbrella" technique for percutaneous transcatheter occlusion of patent arterial duct (ductus arteriosus) has been used successfully in several centres.
(9) The project is an umbrella project with three main subprojects and several satellite projects.
(10) Chris Breen from the Refugee Advocacy Network, an umbrella organisation of asylum seeker groups responsible for organising the Melbourne rally, said the speakers all called for an end to offshore processing.
(11) This is a consequence of the government reducing funding for the new work programme by 80%, according to a major report to be published by the umbrella group for the companies on the programme.
(12) Staff battled the rays with an assortment of big umbrellas and pot plants, before covering the entire 57-storey glass wall with non-reflective film – the likely solution in London.
(13) Members of the Syrian National Council (SNC) said it would be an umbrella group for opposition groups inside and outside the country and a vehicle for democratic change.
(14) Google Now can work only if the company behind it manages to bring vast chunks of our existence – from communication to travel to reading – under its corporate umbrella.
(15) The rebel groups, including at least three considered to be under the FSA umbrella, called on Tuesday for the rebel forces to be reorganized under an Islamic framework and to be run only by groups fighting inside Syria.
(16) Joshua Wong, the teenage activist who was one of the most recognisable faces of Hong Kong’s umbrella movement protests, has been found guilty of “illegal assembly” by a court in the former British colony.
(17) Golf balls, bottles, fireworks, umbrellas and even cast iron rain gutter was thrown at republicans marching along Royal Avenue.
(18) Britain Umbrella sales have surged as the economy remains under the weather.
(19) The regime has sought to deploy thousands of local militiamen under the umbrella of what it calls the National Defence Forces, using them as shock troops directed by the army.
(20) We experienced a case of acute myocardial infarction with ventricular aneurysm secondary to nonpenetrating chest trauma by an umbrella tip and wish to report this unusual case, along with a review of the literature.