| cerium |
a highly reactive chemical element of the rare-earth group that has fifty-eight protons in each nucleus and that occurs naturally only in compounds. (symbol: Ce) |
| cesium |
a highly reactive chemical element of the alkali metal group that has fifty-five protons in each nucleus and that occurs in pure form as a soft, silvery metal melting to a heavy liquid just above room temperature. (symbol: Cs) [1/2 definitions] |
| chimpanzee |
a highly intelligent African species of ape, closely related to humans and smaller than the gorilla. |
| classified |
of highly restricted availability. [1/3 definitions] |
| classify |
to specify (documents or other information) as being highly restricted in accessibility. [1/3 definitions] |
| clean room |
an enclosed space kept as free as possible of any contaminants such as dust or germs, as for the production of highly sensitive precision parts. |
| commode |
a low cabinet with shelves behind doors or a low chest of drawers, often highly decorated. [1/3 definitions] |
| consider |
to hold in esteem; regard highly. [1/7 definitions] |
| considered |
regarded highly; esteemed. [1/2 definitions] |
| corn borer |
a moth larva that is highly destructive to corn and other plants. |
| crack |
(slang) a highly addictive form of purified cocaine that is smoked in a pipe. [1/15 definitions] |
| deadly |
very highly accurate. [1/6 definitions] |
| dieldrin |
a highly poisonous, long-lasting insecticide. |
| 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. |
| dioxin |
a highly poisonous hydrocarbon that occurs as an impurity in some herbicides, defoliants, and other chemical compounds, and sometimes as a byproduct of incineration. |
| disgruntled |
angrily or grumpily unhappy; highly displeased or dissatisfied. |
| dominant |
highly visible or commanding. [1/4 definitions] |
| driving |
aggressively forward-moving; highly active; exciting. [1/2 definitions] |
| ebullient |
highly enthusiastic, happily excited, or spirited. [1/2 definitions] |
| emotionality |
a highly emotional quality or condition. |