| cylinder head |
of the cylinder in an internal-combustion engine, the closed, often detachable end opposite to that from which the piston or connecting rod projects. |
| cytology |
the branch of biology concerned with the structures and processes internal to cells. [2 definitions] |
| diesel |
shortened form of "diesel engine," a type of internal-combustion engine that burns fuel oil which is ignited by being sprayed into a chamber in which highly compressed air, rather than an electric spark, provides the heat. [1/3 definitions] |
| diesel engine |
a type of internal-combustion engine that burns fuel oil which is ignited by being sprayed into a chamber in which highly compressed air, rather than an electric spark, provides the heat. |
| distend |
to swell or cause to swell from, or as if from, internal pressure; balloon. |
| distributor |
an electrical device in an internal combustion engine that transmits current in proper sequence to the spark plugs. [1/2 definitions] |
| driven |
impelled or compelled by uncontrollable internal forces; compulsive. [1/3 definitions] |
| dry rot |
any internal social or moral stagnation or decay resulting from a lack of fresh ideas or initiatives. [1/3 definitions] |
| endoderm |
the inner layer of cells of an embryo, which develops into the linings of the digestive tract, certain glands, and other internal organs. |
| endogenous |
coming or produced from or developing within, as certain spores, or due to internal conditions, as certain diseases. (Cf. exogenous.) [1/2 definitions] |
| endoskeleton |
the internal bony supporting framework characteristic of vertebrates. (Cf. exoskeleton.) |
| endothelial |
of or pertaining to a layer of flat cells that lines blood vessels, lymphatic vessels, and some internal body cavities. |
| endothelium |
a layer of flat cells that lines blood vessels, lymphatic vessels, and some internal body cavities. |
| explode |
to burst because of excessive internal pressure. [1/7 definitions] |
| fascia |
a thin layer of tissue connecting or supporting internal organs or parts of the body. [1/3 definitions] |
| fluoroscope |
a fluorescent screen used with x-rays or other radiation for viewing the internal structure of opaque objects such as the human body. |
| freedom |
the ability to choose and act without internal or external constraints. [1/9 definitions] |
| gasoline |
a volatile, flammable liquid of hydrocarbons, derived from petroleum and used primarily as fuel for internal-combustion engines. |
| gut |
(usu. pl.) the internal parts of an animal that are removed when it is butchered; entrails; viscera. [1/11 definitions] |
| hybrid vehicle |
any motor vehicle that can use two or more types of power, such as an internal combustion engine and an electric generator. |
| hydrotherapy |
the treatment of disease through the internal or external application of water. |