| 单词 | primer |
| 释义 | primer (once / 3284 pages) 1n 2n A primer gets you ready for what comes next. You could use one kind of primer when you are learning to read, or another kind when you are preparing to paint a room. Any way you use the word primer, it's a first step or preparation for something else. There's primer you use before painting, and an engine primer that prepares a machine to be started. In these examples, primer rhymes with timer. When primer describes an introductory textbook, it rhymes with dimmer. In the 14th century, a primer was a prayer book. This word comes from primus, the Latin word for first. WORD FAMILYprimer: primers+/primacy: primacies/prime: primacy, primed, primely, primer, primes, primest, priming/priming: primings USAGE EXAMPLESHere is a quick primer on the case. New York Times(Dec 19, 2016) A primer on Idaho’s electors and the Electoral College: Washington Times(Dec 18, 2016) It also produced several videos including a primer for new listeners called “Meet CL,” and another of a plane writing her name in the sky. Wall Street Journal(Dec 16, 2016) 1 n an introductory textbook 2Hypo|Hyper speller an introductory textbook to teach spelling hornbooka primer that provides instruction in the rudiments or basic skills of a branch of knowledge school text, schoolbook, text, text edition, textbook a book prepared for use in schools or colleges 1n any igniter that is used to initiate the burning of a propellant Syn|Hypo|Hyper fuse, fusee, fuze, fuzee, priming detonating fuse a fuse containing an explosive safety fusea slow-burning fuse consisting of a tube or cord filled or saturated with combustible matter; used to ignite detonators from a distance time-fusea fuse made to burn for a given time (especially to explode a bomb) igniter, ignitor, light, lighter a device for lighting or igniting fuel or charges or fires 2n the first or preliminary coat of paint or size applied to a surface Syn|Hypo|Hyper flat coat, ground, primer coat, priming, priming coat, undercoat couch a flat coat of paint or varnish used by artists as a primer coat of paint a layer of paint covering something else |
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