Science terms starting with E

619 terms

  1. Extraembryonic tissues Intrauterine tissues that support the embryo's placenta, umbilical cord, and amniotic sac.
  2. extranuclear genes Genes residing elsewhere than in the nucleus (e.g. in mitochondria, chloroplasts or plastids).
  3. Extrapolate To create new information based on what is already there.
  4. Extrapolation Estimation of unknown values by extending or projecting from known values.
  5. Extraterrestrial Radiation The theoretically-calculated radiation flux from the sun at the top of the atmosphere, before losses by atmospheric absorption.
  6. Extratropical A term used in advisories and tropical summaries to indicate that a cyclone has lost its "tropical" characteristics.
  7. Extratropical Cyclone A cyclone in the middle and high latitudes often being 2000 kilometers in diameter and usually containing a cold front that extends toward the equator for…
  8. Extratropical Low A low pressure center which refers to a migratory frontal cyclone of middle and higher latitudes.
  9. extreme event time The time of extreme meteorological events such as min/max temperature and wind gusts.
  10. Extreme Ultraviolet (EUV) A portion of the electromagnetic spectrum from approximately 100 to 1000 angstroms.
  11. Extreme Wind Warning Extreme Wind Warning (EWW) inform the public of the need to take immediate shelter in an interior portion of a well-built structure due to the onset of…
  12. Extremely Low Frequency (ELF) Refers to a band of frequencies from 30 to 300 Hz.
  13. EXTRM Extreme
  14. Extruded Polystyrene A type of insulation material with fine, closed cells, containing a mixture of air and refrigerant gas.
  15. EXTSV Extensive
  16. exude Slowly discharge liquid material (such as tannins or oxidized polyphenols from plant material) through pores or cuts, or by diffusion into the medium.
  17. Eye The relatively calm center in a hurricane that is more than one half surrounded by wall cloud.
  18. Eye Wall It is an organized band of cumuliform clouds that immediately surrounds the center (eye) of a hurricane.
  19. Eyewall / Wall Cloud An organized band or ring of cumulonimbus clouds that surround the eye, or light-wind center of a tropical cyclone.