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primer |
Also found in: Dictionary/thesaurus, Medical, Legal, Acronyms, Wikipedia, Hutchinson | 0.01 sec. |
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primer1 an introductory text, such as a school textbook primer2 a substance, such as paint, applied to a surface as a base, sealer, etc. primer [′prīm·ər] (materials) A prefinishing coat applied to surfaces that are to be painted or otherwise finished. Also known as prime coat. (cell and molecular biology) A short ribonucleic acid (RNA) sequence that is complementary to a sequence of deoxyribonucleic acid (DNA) and has a 3′-OH terminus at which a DNA polymerase begins synthesis of a DNA chain. A short sequence of DNA that is complementary to a messenger RNA (mRNA) sequence and enables reverse transcriptase to begin copying the neighboring sequences of mRNA. A transfer RNA whose elongation starts RNA-directed DNA synthesis in retroviruses. (engineering) In general, a small, sensitive initial explosive train component which on being actuated initiates functioning of the explosive train, and will not reliably initiate high explosive charge; classified according to the method of initiation, for example, percussion primer, electric primer, or friction primer. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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I am in the Sixth Reader but just because I cannot say the seven multiplication Table Miss Dearborn threttens to put me in the baby primer class with Elijah and Elisha Simpson little twins. Next I pried the primer, or cap, from the shell, and laid it on the rock, in the midst of the scattered powder. Pearl, therefore -- so large were the attainments of her three years' lifetime -- could have borne a fair examination in the New England Primer, or the first column of the Westminster Catechisms, although unacquainted with the outward form of either of those celebrated works. |
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