Term
|
Definition
| the substance or substances of which any physical object consists or is composed: the matter of which the earth is made. |
|
|
Term
|
Definition
| an apparatus consisting of interrelated parts with separate functions, used in the performance of some kind of work: a sewing machine. |
|
|
Term
|
Definition
of, pertaining to, affected with, or caused by a toxin or poison: a toxic condition.
2. acting as or having the effect of a poison; poisonous: a toxic drug. |
|
|
Term
|
Definition
| a tiny, somewhat mitten-shaped organelle occurring in great numbers in the cell cytoplasm either freely, in small clusters, or attached to the outer surfaces of endoplasmic reticula, and functioning as the site of protein manufacture |
|
|
Term
|
Definition
| the state or quality of being dense; compactness; closely set or crowded condition |
|
|
Term
|
Definition
| a disturbance on the surface of a liquid body, as the sea or a lake, in the form of a moving ridge or swell. |
|
|
Term
|
Definition
| A hydrocarbon deposit, such as petroleum, coal, or natural gas, derived from the accumulated remains of ancient plants and animals and used as fuel. Carbon dioxide and other greenhouse gases generated by burning fossil fuels are considered to be one of the principal causes of global warming. |
|
|
Term
|
Definition
| a unit used to express the intensity of a sound wave, equal to 20 times the common logarithm of the ratio of the pressure produced by the sound wave to a reference pressure, usually 0.0002 microbar |
|
|
Term
|
Definition
| a form of energy generated by the conversion of free-falling water to electricity; the generation of electricity by using the motive power of water; also called hydroelectricity |
|
|
Term
|
Definition
| Physics. the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different. |
|
|
Term
|
Definition
| Physics. the transfer of heat by the circulation or movement of the heated parts of a liquid or gas. |
|
|
Term
|
Definition
| the act of reflecting or the state of being reflected. |
|
|
Term
|
Definition
| organiam that gets energy from feeding |
|
|
Term
|
Definition
An organism that lives by preying on other organisms.
One that victimizes, plunders, or destroys, especially for one's own gain. |
|
|
Term
|
Definition
| an animal hunted or seized for food, esp. by a carnivorous animal. |
|
|
Term
|
Definition
|
|
Term
|
Definition
| the basic physical unit of heredity; a linear sequence of nucleotides along a segment of DNA that provides the coded instructions for synthesis of RNA, which, when translated into protein, leads to the expression of hereditary character. |
|
|
Term
|
Definition
| any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation |
|
|
