primer

noun

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/ˈpraɪmə(r)/

/ˈpraɪmər/
[uncountable, countable] a type of paint that is put on wood, metal, etc. before it is painted to help the paint to stay on the surface
/ˈpraɪmə(r)/

/ˈprɪmər/
[countable] (North American English) a book that contains basic instructions
- The President doesn't need a primer on national security.
/ˈpraɪmə(r)/

/ˈprɪmər/
[countable] (old-fashioned) a book for teaching children how to read, or containing basic facts about a school subject

Word Originsenses 2 to 3 late Middle English: from medieval Latin primarius (liber) ‘primary (book)’ and primarium (manuale) ‘primary (manual)’.

单词	primer
释义	primer noun jump to other results /ˈpraɪmə(r)/ /ˈpraɪmər/ [uncountable, countable] a type of paint that is put on wood, metal, etc. before it is painted to help the paint to stay on the surface /ˈpraɪmə(r)/ /ˈprɪmər/ [countable] (North American English) a book that contains basic instructions The President doesn't need a primer on national security. /ˈpraɪmə(r)/ /ˈprɪmər/ [countable] (old-fashioned) a book for teaching children how to read, or containing basic facts about a school subject Word Originsenses 2 to 3 late Middle English: from medieval Latin primarius (liber) ‘primary (book)’ and primarium (manuale) ‘primary (manual)’.
随便看	nominative_2 nominee non- non nonagenarian non-aggression nonagon non-alcoholic non-aligned non-alignment non-alphabetic no-name non-appearance non-attendance non-believer non-binary non-binding non-biodegradable nonce nonchalance nonchalant nonchalantly non-citizen non-combatant non-commissioned officer