Scientific Fields or Categories of Science Specialties

(lists of careers in science with short descriptions)

invertebrate zoology
The branch of zoology concerned with the taxonomy, behavior, and morphology of invertebrate animals or any animal lacking a backbone and an internal skeleton, including all species not classified as vertebrates
lapidary (LAP uh der" ee) (s) (noun), lapidaries (pl)
1. A dealer or salesperson who is a connoisseur of valuable jewelry: When Tom and Janice went to the shop selling watches and precious stones, the lapidary showed them many exquisite rings that they might like for their wedding.
2. A specialist who cuts, polishes, or engraves gems or precious stones: Jack wanted to have the ring for his wife inscribed with the date of their marriage, so he went to a lapidary to have it done.
Someone who works by cutting, polishing, or engraving jewelry.
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The art and practice of making a drawing or other representation, usually on a flat surface, of the whole or the part of an area; such as, the surface of the earth or some other planet, indicating the relative positions and sizes according to specified scales or projections of selected features, as countries, cities, rock formations, and bodies of water.
materials studies
The study of admixtures of matter or the basic matter from which products are made.

It includes adhesives, building materials, fuels, paints, leathers, etc.

1. A science (or group of related sciences) dealing with the logic of quantity and shape and arrangement.
2. The study of the measurement, properties, and relationships of quantities and sets, using numbers and symbols.
3. The systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically.

Pointing to a page about the origins of mathematics. The etymology of mathematics.

mechanical engineering (s) (noun)
1. The branch of engineering concerned with the generation, transmission, and utilization of heat and mechanical power, and with the production and operations of tools, machinery, and their products.
2. A division of engineering concerned with the efficient design, operation, and maintenance of machines: "Mechanical engineering involves the design, the production, and the use of machinery and tools, as well as the generation and transmission of heat and mechanical power."
A branch of electronics dealing with solid-state and other electronic devices for generating, modulating, transmitting, and sensing electromagnetic radiation in the ultraviolet, visible-light, and infrared portions of the spectrum.
A branch of physics and specifically continuum mechanics and acoustics that studies the behavior of fluid-saturated porous media.

A porous medium or a porous material is a solid (often called matrix) permeated by an interconnected network of pores (voids or empty spaces) filled with a fluid (liquid or gas).

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Related articles about science: "Science Race"; STEM, Part 1; STEM, Part 2.