chalk

• "Johnny used some of that invisible chalk which is only brought out by ultra-violet light The metal caps of his shoe laces hold some of the stuff," Doc Savage agreed. —  042 - The Midas Man
• Instead you invented 'climbing' chalk - chalk is like what, 10 cents a pound in bulk?
• Would it be philosophical to throw over the results of the microscopical research, and, simply because for two hundred years chalk had been thought to be a mineral, to argue, and still retain the idea that chalk was a mineral Such a result would be entirely opposed to all the teaching and principles of philosophy. —  Aether and Gravitation
• A slate with the number in chalk was also hung out--23 O.V., 112 N.V., as the case might be. —  Old Times at Otterbourne
• It was similar in every trial to a fine powder of ordinary chalk, and was therefore saturated with air which must have been furnished by the alkali A dram of pure salt of tartar was dissolved in fourteen pounds of lime-water, and the powder thereby precipitated, being carefully collected and dried, weighed one and fifty grains. —  Experiments upon magnesia alba, Quicklime, and some other Alcaline Substances

Allen's Synonyms and Antonyms

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