definition of heliotrope
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Heliotrope (instrument) The heliotrope is an instrument that uses a mirror to reflect sunlight over great distances to mark the positions of participants in a land survey. The heliotrope was invented in 1821 by the German mathematician Carl Friedrich Gauss. The word heliotrope is taken from the Greek: helios (Greek: ἥλιος), meaning sun, and tropos (Greek: τρόπος), meaning turn. It is a fitting name for an instrument which can be turned to reflect the sun toward a given point.
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Heliotrope (instrument) Surveyors used the heliotrope as a specialized form of survey target; it was employed during large triangulation surveys where, because of the great distance between stations (usually twenty miles or more), a regular target would be indistinct or invisible.
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hexagon Definition of hexagon. : a polygon of six angles and six sides.
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heliocentric heliocentric. 1  calculated from, viewed as from, or belonging to the center of the sun. 2  having or regarding the sun as the center: Copernicus's heliocentric model of the solar system.
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Doxapram Doxapram hydrochloride (marketed as Dopram, Stimulex or Respiram) is a respiratory stimulant. Administered intravenously, doxapram stimulates an increase in tidal volume, and respiratory rate.
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- This retrospective review of 28 pa-tients used helium concentrations from32% to 74%. With similar ventilator set-tings, peak inspiratory pressure (PIP) sig-niﬁcantly decreased (40.5 4.2 vs 35.3 3.0 cm H 2 O; p .05) with heliox. Theeffect of heliox on PIP seemed mostprominent at higher pressures (PIP 40cm H 2 O). The authors suggest that helioxdecreases the obstruction to gas ﬂow and,thus, augments laminar ﬂow with a re-sultant decrease in PIP.
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What is a Hexagon? - Definition, Area & Angles A hexagon is an example of a polygon, or a shape with many sides. Hex is a Greek prefix which means 'six.' A regular hexagon has six sides that are all congruent, or equal in measurement. A regular hexagon is convex, meaning that the points of the hexagon all point outward.
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- Streamwise vorticity is the amount of horizontal vorticity that is parallel to storm inflow. Storm inflow is the velocity of the low- evel wind moving toward a thunderstorm. Helicity is the amount of streamwise vorticity that is available to be ingested by a thunderstorm.
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Dermatomyositis Heliotrope, a macular rash with periorbital edema, is considered a characteristic finding of dermatomyositis, as are periungual telangiectasias (Figure 2).1,8 The rash occurs early in the course of the disease in 30 to 60 percent of patients.3 The characteristic lesions of the shawl sign and the V-sign appear as erythematous, poikilodermatous ...
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- Of particular interest is the Beluga (the sea canary) which produces an immense variety of whistles, clicks and pulses. (Web site) Of particular interest is the beluga which produces an immense variety of whistles, clicks and pulses and as such are often referred to as the sea canary. Of particular interest is the case when λ = ω 1, the set of all countable ordinals, and the first uncountable ordinal.
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Heliotropium Heliotropium /ˌhiːliəˈtroʊpiəm, -lioʊ-/[3] is a genus of flowering plants in the borage family, Boraginaceae. There are 250 to 300 species in this genus, which are commonly known as heliotropes (sg. /ˈhiːli.ətroʊp/[clarification needed]).
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Heliocentrism Heliocentrism, or heliocentricism, is the astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System.n such systems the origin in the center of mass of the Earth, of the Earth–Moon system, of the Sun, of the Sun plus the major planets, or of the entire solar system can be selected; see center-of-mass frame.
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pressure Noun. 1. IOP-pressure exerted by the fluids inside the eyeball; regulated by resistance to the outward flow of aqueous humor; glaucoma can result from increased intraocular pressure.intraocular pressure.. IOP-pressure exerted by the fluids inside the eyeball; regulated by resistance to the outward flow of aqueous humor; glaucoma can result from increased intraocular pressure.
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- spectro-. 1. a combining form representing spectrum, in compound words: spectrometer. British Dictionary definitions for spectro-. spectro-. combining form.
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Finding the Light in Darkness: The Heliotropic Effect This natural search for light can be referred to as the “heliotropic effect,” which simply means that every living system has a tendency toward light and away from darkness, or a tendency towards that which is life giving and away from that which endangers life.
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coal miner hewer Definition of Hewer, hewing. NEIMME: Library Coal Mining terms. Definition of Hewer, hewing A hewer is a man who cuts coal, removing it from the coal face. His was normally one of the most ...
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Azeotrope An azeotrope or a constant boiling mixture is a mixture of two or more liquids whose proportions cannot be altered by simple distillation. This happens because when an azeotrope is boiled, the vapour has the same proportions of constituents as the unboiled mixture. Because their composition is unchanged by distillation, azeotropes are also called (especially in older texts) constant boiling mixtures.
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- Definitions for heliotropism ˌhi liˈɒ trəˌpɪz əm, -əˈtroʊ pɪz- Here are all the possible meanings and translations of the word heliotropism. Princeton's WordNet (0.00 / 0 votes) Rate this definition:
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Plants by Scientific Name Common Names salt heliotrope. Family Borage. Plant Type Shrub. Native Yes. Weed No. Common Names cow parsnip. Family Parsley. Flower Color White. Plant Type Herb. Short Description Photosensitive skin reaction, wet soil.
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- Define heliotropism: phototropism in which sunlight is the orienting stimulus phototropism in which sunlight is the orienting stimulus… See the full definition
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- Valerian, or garden Heliotrope, is an member of a species of about 200 plants. Valeriana Officinalis, which we will deal with here, is an attractive perennial with merits in both the ornamental and medicinal herb garden. Unfortunately, the whole plant, with the exception of the flower, has a putrid, rotted cheese.....smelly sock odor.
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Nausea and Vomiting Causes, Symptoms, Diet, and Treatment Options Medical Definition of Hepatomegaly Hepatomegaly: An abnormally enlarged liver. Hepatomegaly can be caused by heart failure, blockage of blood vessels from the liver, or be a sign of chronic liver disease. Take the Tummy Trouble Quiz Boost Digestive Health
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Can Grapefruit Help You Lose Weight? Vitamin C May Burn Fat. Like other citrus fruits, grapefruit is a rich source of vitamin C. White, pink and red varieties all have about the same amount: 38 grams in half a grapefruit. Your body needs vitamin C to synthesize carnitine, essential for metabolizing fat into energy.
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The Best Fragrant Flowers for Your Garden Gather some friends around heliotrope in bloom and ask what it smells like. Some say cherry pie, others say vanilla, and yet others say grapes. No matter what you think it smells like, you're sure to love the sweet, rich fragrance that emanates from the lovely clusters of purple, blue, or white flowers.
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Vaginal Infections and Vaginitis Perhaps there's a smell that's a little, well, funkier, than usual. You want to do something to make it stop, now. Although it can be darned uncomfortable, it's not the end of the world. You could have an infection caused by bacteria, yeast, or viruses. Chemicals in soaps, sprays, or even clothing that come in contact with this area could be irritating the delicate skin and tissues. It's not always easy to figure out what's going on, though.
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History Hereditary elliptocytosis (HE) is a heterogeneous group of disorders that shares the common feature of generally having more than 25% elliptical red blood cells (RBCs). Because specific molecular lesions are not necessarily correlated with clinical manifestations, a morphologic classification has been devised.