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Vocabulary ... A

Austin's vocabulary terms

Abiotic nonliving chemical and physical factors in the environment
Absolute zero (cryogenics) the lowest temperature theoretically attainable (at which the kinetic energy of atoms and molecules is minimal)
Abyss a bottomless gulf or pit
Acceleration an increase in rate of change
Acid An acid (from the Latin acidus meaning sour) is traditionally considered any chemical compound that, when dissolved in water, gives a solution with a hydrogen ion activity greater than in pure water, i.e. a pH less than 7.0. ...
Acoustic the study of the physical properties of sound … Acoustics is the interdisciplinary science that deals with the study of sound, ultrasound and infrasound (all mechanical waves in gases, liquids, and solids). A scientist who works in the field of acoustics
Acquired behavior behavior that is gotten through environmental forces
Adaptation Adaptation is one of the basic phenomena of biology. It is the process whereby an organism becomes better suited to its habitat. Also, the term adaptation may refer to a characteristic which is especially important for an organism's survival. ...
Adult a biologically grown or mature person
After birth the passing of the placenta following birth
Aftershock a tremor (or one of a series of tremors) occurring after the main shock of an earthquake
Agnatha superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys
Agua largest known toad species
Air mass a large body of air with uniform characteristics horizontally
Air sac An air-filled space in the body of a bird that forms a connection between the lungs and bone cavities and aids in breathing and temperature…Sacs that communicate with the respiratory, air-filled membranous system in birds and primates.
Albino A person or animal lacking normal pigmentation, with the result being that the skin and hair are abnormally white or milky and the eyes have a pink color.
Alcohol A colorless volatile flammable liquid, C 2 H 5 OH, synthesized or obtained by fermentation of sugars and starches and widely used.
Algae primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
Alloy A homogeneous mixture or solid solution of two or more metals, the atoms of one replacing or occupying interstitial positions between the atoms of the other: Brass is an alloy of zinc and copper.
Alluvial fan a fan-shaped deposit where a fast flowing stream flattens out
Alpine Of, relating to, or characteristic of the Alps or their inhabitants. Of or relating to high mountains.
Alternate current In alternating current (AC, also ac) the movement (or flow) of electric charge periodically reverses direction. ...
Altitude The height of a thing above a reference level, especially above sea level or above the earth's surface.
Alveoli The plural of alveolus. The alveoli are tiny air sacs within the lungs where the exchange of oxygen and carbon dioxide takes place. ...
Amber A hard translucent yellow, orange, or brownish-yellow fossil resin, used for making jewelry and other ornamental objects.
Amnionic fluid The fluid bathing the fetus and serving as a shock absorber.
Amphibian A cold-blooded, smooth-skinned vertebrate of the class Amphibia, such as a frog or salamander, that characteristically hatches as an aquatic larva with ...
Amplification To make larger or more powerful
Analysis a detailed examination or an investigation of the component parts of a whole and their relations in making up the whole
Anemia a deficiency of red blood cells
Anemometer a gauge for recording the speed and direction of wind
Angiosperm plants having seeds in a closed ovary
Angler a fisherman who uses a hook or an anglerfish
Animal Any organism of the Kingdom Animalia, distinguished from plants by certain typical characteristics such as the power of locomotion, fixed structure and limited growth, and nonphotosynthetic metabolism
Ankle a gliding joint between the distal ends of the tibia and fibula and the proximal end of the talus
Annelida Any of various worms or wormlike animals of the phylum Annelida, characterized by an elongated, cylindrical, segmented body with bristles and including the earthworm and leech.
Annual plant An annual plant is a plant that usually germinates, flowers, and dies in one year. True annuals will only live longer than a year if they are protected from weather conditions.
Anther the part of the stamen that contains pollen
Anthropologist a social scientist who specializes in anthropology which is the study of the origin, behavior, and the physical, social, and cultural development of humans.
Anus the excretory opening at the end of the alimentary canal
Appendages An appendage in the broadest sense is an additional or subsidiary part existing on, or added to, something which can generally still function if the appendage is not there.
Aqua water
Aquarium a tank or pool or bowl filled with water for keeping live fish and underwater animals
Aquatic relating to or consisting of or being in water
Aqueduct A pipe or channel designed to transport water from a remote source, usually by gravity.
Aquifer underground bed or layer yielding ground water for wells and springs etc
Arachnid air-breathing arthropods characterized by simple eyes and four pairs of legs
Archipelago a group of many islands in a large body of water
Arctic A region between the North Pole and the northern timberlines of North America and Eurasia.
Area a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture. a quantity expressing the two-dimensional size of a defined part of a surface, typically a region bounded by a close
Arrow (chemical equation) The arrow points in the direction of the reaction, from the reactants to the products.
Artery a blood vessel that carries blood from the heart to the body
Arthropoda jointed-foot invertebrates: arachnids
Asexual reproduction reproduction without the fusion of gametes
Asteroid any of numerous small celestial bodies composed of rock and metal that move around the sun (mainly between the orbits of Mars and Jupiter)
Asteroid belt the region of interplanetary space between Mars and Jupiter where most asteroids are found
Astro Involving astronomy
Astrogeologist The geology of celestial bodies.
Astronomy The scientific study of matter in outer space, especially the positions, dimensions, distribution, motion, composition,
Atmosphere The gaseous mass or envelope surrounding a celestial body,
Atmospheric pressure the pressure exerted by the atmosphere
Atoll an island consisting of a circular coral reef surrounding a lagoon
Auditory of or relating to the process of hearing
Aurora australis An aurora that occurs in southern regions of the earth. ...
Auto (self) On its own or one's own, by its own action
Auxin a plant hormone that promotes root formation and bud growth
Aves (ornithology) the class of birds
Aviary a building where birds are kept
Aviation A general term including the science and technology of flight through the air.
Axis A straight line about which a body or geometric object rotates or may be conceived to rotate
Created by: cwear