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Glossary of Meteorological Terms
beginning with letter I
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ICE Tweet Definition of ICE Like Definition of ICE on Facebook
initialism or ice
  1. In Case of Emergency
  2. InterCityExpress?
  3. internal combustion engine
  4. in-car entertainment
     
ice fog Tweet Definition of ice fog Like Definition of ice fog on Facebook
noun 
  1. a dense fog that consists of fine particles of ice
     
icing Tweet Definition of icing Like Definition of icing on Facebook
noun 
  1. A sweet glaze made primarily of sugar and often flavored, typically used for baked goods; frosting.
  2. (context, sports) A minor violation of ice hockey rules, occurring when a player shoots the puck from his/her side of the red line so that it crosses the goal line on the opponent's side, and the next player to touch the puck is an opponent player other than the goalie. A team playing short-handed is not penalized for this.
  3. The process of forming a layer of ice on a surface.
     
inclement Tweet Definition of inclement Like Definition of inclement on Facebook
adjective 
  1. stormy
  2. merciless
     
incus Tweet Definition of incus Like Definition of incus on Facebook
noun (incudes)
  1. (anatomy) A small anvil-shaped bone in the middle ear.
     
Indian summer Tweet Definition of Indian summer Like Definition of Indian summer on Facebook
noun 
  1. a stretch of sunny and warm days during late autumn
  2. (figuratively) the late autumn of life; a late flowering of activity before old age
     
inversion Tweet Definition of inversion Like Definition of inversion on Facebook
noun 
  1. (music) The move of one pitch in an interval or chord up or down an octave
  2. (music) The reversal of an interval
  3. (music) The reversal of the pitch contour
  4. (music) The reversal of a pitch class succesion such as a melody or counterpoint, contrapuntal line
  5. (music) Subtraction of pitch classes in a set from twelve which maps intervals onto their complements with respect to 0 and preserves interval classes, symbolized IX where X is the transposition which is inverted (DeLone? et. al. (Eds.), 1975, chap. 6).
  6. (genetics) a segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome
  7. (Weather). An increase of air temperature with increase in altitude (the ground being colder than the surrounding air). When an inversion exists, there are no convection currents and wind speeds are below 5 knots. The atmosphere is stable and normally is considered the most favorable state for ground release of chemical agents.
  8. (grammar) deviation, Deviation from standard word order by putting the predicate before the subject. It takes place in questions with auxiliary verbs and in normal, affirmative clauses beginning with a negative particle, for the purpose of emphasis.
(with an auxiliary verb) Inversion takes place in the sentence 'Is she here?' — 'is', the predicate, is before 'she', the subject.
(for the purpose of emphasis) Inversion takes place in the sentence 'Never have I done that.' — 'have', the predicate, is before 'I', the subject, due to 'never' being the first word of the sentence.
     
ionosphere Tweet Definition of ionosphere Like Definition of ionosphere on Facebook
noun 
  1. The part of the earth's atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending outward 500 kilometers (310 miles) or more.
     
isobar Tweet Definition of isobar Like Definition of isobar on Facebook
noun 
  1. (Weather) A line drawn on a map or chart connecting places of equal or constant pressure.
In meteorology, it most often refers to a line drawn through all points of equal atmospheric pressure along a given reference surface, such as a constant height surface (notably mean-sea-level on surface charts); the vertical plane of a synoptic cross section, or a map of the air unaffected by surface heating or cooling. The pattern of isobars has always been a main feature of surface chart analysis. Until recently it was standard procedure to draw isobars at 3-millibar intervals. However, the advent of constant pressure charts for upper-air analysis has brought about the use of 4-millibar intervals to simplify the conversion from surface isobars to 1,000-millibar contour lines.
  1. (physics) either of two nuclides of different elements having the same mass number
    1. thermodynamics. A set of points or conditions at constant pressure
     
isobaric Tweet Definition of isobaric Like Definition of isobaric on Facebook
adjective 
  1. having the same pressures, masses, or densities
  2. (physics) (of a thermodynamic process) having a constant pressure throughout
     
isodrosotherm Tweet Definition of isodrosotherm Like Definition of isodrosotherm on Facebook
noun 
  1. A line of equal or constant dew point on a graph or chart, such as a weather map.
     
isohyet Tweet Definition of isohyet Like Definition of isohyet on Facebook
noun 
  1. A line of equal or constant rainfall on a graph or chart, such as a weather map.
     
isopiestic Tweet Definition of isopiestic Like Definition of isopiestic on Facebook
adjective 
  1. isobaric
     
isopycnic Tweet Definition of isopycnic Like Definition of isopycnic on Facebook
noun 
  1. A line on a chart connecting points of equal density
adjective 
  1. (physics) (of points on a surface, or in a medium) having equal densities
     
isotach Tweet Definition of isotach Like Definition of isotach on Facebook
noun 
  1. A line of equal or constant wind speed on a graph or chart, such as a weather map.
     
isotherm Tweet Definition of isotherm Like Definition of isotherm on Facebook
noun 
  1. A line of equal or constant temperature on a graph or chart, such as a weather map.
     

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