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Glossary of Zoology Terms
beginning with letter O
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Oral Tweet Definition of Oral Like Definition of Oral on Facebook
noun 
  1. A male given name, ultimately derived from Aurelius
     
orbit Tweet Definition of orbit Like Definition of orbit on Facebook
noun 
  1. A circular or elliptical path of one object around another object.
The Moon's around the Earth takes nearly one month to complete.
  1. A sphere of influence; an area of control.
In the post WWII era, several eastern European countries came into the of the Soviet Union.
  1. The course of one's usual progression, or the extent of one's typical range.
The convenience store was a heavily travelled point in her daily , as she purchased both cigarettes and lottery tickets there.
  1. (anatomy) The bony cavity containing the eyeball; the eye socket.
  2. (physics) The path an electron takes around an atom's nucleus
  3. (mathematics) A collection of points related by the evolution function of a dynamical system.
verb 
  1. To circle or revolve around another object.
The Earth orbits the Sun.
  1. To move around the general vicinity of something.
The harried mother had a cloud of children orbiting her, asking for sweets.
     
organic Tweet Definition of organic Like Definition of organic on Facebook
adjective 
  1. (biology) pertaining to, derived from, like, of the nature of, an organ of the body
  2. (chemistry) relating to the compounds of carbon, relating to natural products
  3. of food or food products, grown in an environment free from artificial agro-chemicals, and possibly certified organic by a regulatory body.
  4. (sociology) a form of social solidarity theorized by Emile Durkheim that is characterized by voluntary engagements in complex interdepencies for mutual benefit (such as business agreements), rather than mechanical solidarity, which depends on ascribed relations between people (as in a family or tribe).
     
ostium Tweet Definition of ostium Like Definition of ostium on Facebook
noun (osti, a)
  1. A small opening or orifice, as in a body organ or passage.
  2. Any of the small openings or pores in a sponge.
     
oviparous Tweet Definition of oviparous Like Definition of oviparous on Facebook
adjective 
  1. egg, Egg laying; an animal deposits eggs that develop and hatch outside the body as their reproductive strategy.
''The echidna is a monotreme, which is the extremely small subset of mammals.
     

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