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Latin
abbreviation |
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ob.
: obiit : died |
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geography
: physical |
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ocean
: a large body of salt water that surrounds a continent; oceans
cover more the two-thirds of the Earth's surface. |
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acronym |
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OECD
: Organization for Economic Cooperation and Development
: this 'rich countries club' was established in 1961 to
promote economic growth and the expansion of world trade; it is
based in Paris, France and by 2006 has 30 members. |
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oncogenic
: resulting from a gene which can induce neoplastic transformations
in the cell in which it occurs or into which it is introduced. |
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Latin
abbreviation |
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op.
cit. :
opere citato : in the work cited |
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opal
: a mineraloid, amorphous hydrated silicon dioxide (SiO2·nH2O);
the water content being as high as 20%; ranges from colorless
through white, milky blue, gray, red, yellow, green, brown and
black. Often many of these colors can be seen at once, caused by
interference and diffraction of light passing through minute,
regularly arranged apertures within the microstructure of opal,
which are filled with secondary silica and form thin lamellae inside
the opal during solidification. |
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mineraloid |
acronym |
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OPEC
: Organization of Petroleum Exporting Countries
: set up in 1960 and based in Vienna, OPEC is mainly
concerned with oil pricing and production issues. Members are:
Algeria, Indonesia, Iran, Iraq, Kuwait, Libya, Nigeria, Qatar, Saudi
Arabia, United Arab Emirates, and Venezuela. |
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acronym |
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OSHA
: The Occupational Safety and Health
Administration : a U.S. Government agency that makes and
enforces workplace safety and health regulations (Code of Federal
Regulations Title 29). In some states, e.g. California, OSHA has
given this authority to a state agency (Cal/OSHA). |
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botany
& gardening |
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ovary
: the enlarged lower part of the pistil in angiospermous plants,
enclosing the ovules or young seeds. |
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botany
& gardening |
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ovule
: the plant part that contains the embryo sac and hence the female
germ cell, which after fertilization develops into a seed; a
rudimentary seed. |
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