| 单词 | regulator |
| 释义 | regulator /reg"yeuh lay'teuhr/, n. 1. a person or thing that regulates. 2. Horol. a. an adjustable device in a clock or a watch for making it go faster or slower. b. a master clock, usually of great accuracy, against which other clocks are checked. 3. Mach. a. a governor mechanism for regulating the flow of fuel, steam, etc., to an engine in order to maintain constant speed under varying load or resistance. b. a valve for regulating the pressure of flowing gas or liquid to maintain a predetermined pressure. c. any of various mechanisms for maintaining a temperature, a level of liquid in a tank, etc. 4. Elect. a device for maintaining a designated characteristic, as voltage or current, at a predetermined value, or for varying it according to a predetermined plan. 5. a device on scuba equipment for regulating the rate at which compressed air is fed through a breathing tube in proportion to the depth of water. 6. a device for maintaining a constant gas pressure. 7. (cap.) Amer. Hist. a. a member of any of several bands or committees in North Carolina (1767-71), formed to resist certain abuses, as extortion by officials. b. (in newly settled areas) a member of any band or committee organized to preserve order before the establishment of regular legal authority. [1645-55; REGULATE + -OR2] |
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