| zinc |
a chemical element that has thirty protons in each nucleus and that occurs in pure form as a bluish white corrosion-resistant metal that is brittle at room temperature but becomes malleable when heated, used in a variety of alloys and in electrical devices. (symbol: Zn) [2 definitions] |
| zinnia |
any of various plants related to the daisy, native to North and South America, and noted for showy, long-lasting, colorful flowers. |
| zip1 |
a sudden, sharp whizzing noise, such as that of an arrow or bullet in flight. [4 definitions] |
| zip2 |
to fasten or unfasten by closing or opening a zipper. [2 definitions] |
| Zip Code |
trademark for a system using a code of five or more digits to designate every postal delivery area in the United States. |
| zipper |
a fastener consisting of two rows of interlocking teeth and a slide pull that either joins or parts them, used esp. on clothing such as jackets or pants. [2 definitions] |
| zit |
(slang) a pimple. |
| zither |
a musical instrument that consists of a flat soundbox across which usu. thirty or forty strings are stretched, played by plucking the strings with the fingertips or a plectrum. |
| zodiac |
an imaginary belt in the heavens that includes the apparent paths of the sun, moon, and most planets and is divided into twelve equal signs or parts, each named for a constellation that appears within the belt as seen from the earth. [2 definitions] |
| zone |
an area that is divided or distinct from other areas because of appearance, use, environment, or the like. [11 definitions] |
| zoo |
a place, usu. a park, where living animals, esp. wild ones, are kept in enclosures for public viewing; zoological garden. [3 definitions] |
| zoo- |
animal. |
| zoology |
the science and study of animals. [3 definitions] |
| zoom |
to move quickly or rapidly while making a low-pitched humming sound. [6 definitions] |
| zucchini |
a type of summer squash that has a smooth, dark green rind and is cucumber-shaped. |