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All Words Glossary

Glossary of Biological Terms
beginning with letter E
Browse the Biological Glossary
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ecology Tweet Definition of ecology Like Definition of ecology on Facebook
noun (ecologies, -)
  1. The branch of biology dealing with the relationships of organisms with their environment and with each other.
  2. The natural environment, all living and non-living things that occur naturally on Earth.
emergent Tweet Definition of emergent Like Definition of emergent on Facebook
adjective
  1. emerging; coming into view or into existence; nascent
  2. occurring unexpectedly or in an emergency
  3. Observable in a high-level view of a complex system but barely deducible from the description of its components
(wikipedia, emergence)      
endocrinology Tweet Definition of endocrinology Like Definition of endocrinology on Facebook
noun
  1. (context, physiology) The study of the endocrine glands of the human body, the hormones produced by them, and their related disorders
envelope Tweet Definition of envelope Like Definition of envelope on Facebook
noun (pluralenvelopes)
  1. A paper or cardboard wrapper used to enclose and small, flat items, especially letters, for mailing.
  2. Something that envelops; a wrapping
  3. A bag containing the lifting gas of a balloon or airship.
  4. (geometry) A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
  5. (electronics) A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
  6. (music) The shape of a sound, which may be controlled by a synthesizer or sampler.
  7. (computing) The information used for routing an email that is transmitted with the email but not part of its contents.
  8. (biology) An enclosing structure or cover, such as a membrane.
  9. (engineering) The set of limitations within which a technological system can perform safely and effectively.
eugenics Tweet Definition of eugenics Like Definition of eugenics on Facebook
noun
  1. The science of improving stock, whether human or animal.
  2. A social philosophy which advocates the improvement of human hereditary qualities through selective breeding.
evolution Tweet Definition of evolution Like Definition of evolution on Facebook
noun
  1. (context, general) A gradual process of development, formation, or growth, esp. one leading to a more advanced or complex form.
  2. (biology) The change in the genetic composition of a population over successive generations.
  3. (mathematics) The extraction of a root from a quantity.
  4. (military) One of a series of ordered movements.
evolutionary Tweet Definition of evolutionary Like Definition of evolutionary on Facebook
adjective
  1. of or related to evolution.
The history of marine mammals includes land-dwelling ancestors.
evolutionist Tweet Definition of evolutionist Like Definition of evolutionist on Facebook
noun
  1. A proponent of evolutionism
evolve Tweet Definition of evolve Like Definition of evolve on Facebook
verbto evolve
  1. To move in regular procession through a system.
  2. To develop.
    • 1939: w:P. G. Wodehouse, P. G. Wodehouse, Uncle Fred in the Springtime
    • : You will remove the pig, place it in the car, and drive it to my house in Wiltshire. That is the plan I have evolved.
exobiology Tweet Definition of exobiology Like Definition of exobiology on Facebook
noun
  1. The branch of biology dealing with extraterrestrial lifeforms.
extinct Tweet Definition of extinct Like Definition of extinct on Facebook
adjective
  1. (dated) extinguished, Extinguished, no longer alight (of fire, candles etc.)
Poor Edward's cigarillo was already .
  1. (Vulcanology) No longer erupting.
Most of the volcanos on this island are now .
  1. No longer used; obsolete, discontinued.
Luckily, such ideas about race are in current sociological theory.
  1. No longer in existence; having died out.
The dinosaurs have been for millions of years.
extinction Tweet Definition of extinction Like Definition of extinction on Facebook
noun
  1. The action of making or becoming extinct; annihilation.

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