| 释义 |
expander
ex·pand E0281800 (ĭk-spănd′)v. ex·pand·ed, ex·pand·ing, ex·pands v.tr.1. To increase the size, volume, quantity, or scope of; enlarge: expanded her store by adding a second room. See Synonyms at increase.2. To express at length or in detail; enlarge on: expanded his remarks afterward.3. To open (something) up or out; spread out: The bird expanded its wings and flew off.4. Mathematics To write (a quantity) as a sum of terms in an extended form.v.intr.1. To become greater in size, volume, quantity, or scope: Air expands when heated. This critic's influence is expanding.2. To speak or write at length or in detail: expand on a favorite topic.3. To open up or out; unfold: The chair expands to form a daybed.
[Middle English expanden, to spread out, from Latin expandere : ex-, ex- + pandere, to spread; see petə- in Indo-European roots.]
ex·pand′a·ble adj.ex·pand′er n.expander (ɪkˈspændə) n1. a device for exercising and developing the muscles of the body: a chest expander. 2. (Electronics) an electronic device for increasing the variations in signal amplitude in a transmission system according to a specified law. Compare compressor5, companderTranslationsexpander
expander[ik′spand·ər] (electronics) A transducer that, for a given input amplitude range, produces a larger output range. expander
expander [ek-span´der] extender.plasma volume expander artificial plasma extender.expander (ek-span′dĕr) [L. expandere, to spread out] 1. A device that increases the size or volume of a structure. 2. An agent, e.g. plasma or dextran, that expands blood volume. |