To be exact, one milligram of thyroxin increases the metabolic rate two per cent.

It has been calculated that a space of one cubic millimeter would contain 250,000,000 of these minute organisms, and that they would not weigh more than a milligram.

weighing, ponderation^, trutination^; weights; avoirdupois weight, troy weight, apothecaries' weight; grain, scruple, drachma^, ounce, pound, lb, arroba^, load, stone, hundredweight, cwt, ton, long ton, metric ton, quintal, carat, pennyweight, tod^. [metric weights] gram, centigram, milligram, microgram, kilogram; nanogram, picogram, femtogram, attogram.

in diameter, making 5 turns in 3 seconds, produced a constant current capable of decomposing 3½ millionths of a milligram in a second.

"I have found out by a cablegram to-day that seven weeks ago an order for one hundred milligrams of radium bromide at thirty-five dollars a milligram from a certain person in America was filled by a corporation dealing in this substance.

"I have found out by a cablegram to-day that seven weeks ago an order for one hundred milligrams of radium bromide at thirty-five dollars a milligram from a certain person in America was filled by a corporation dealing in this substance.

Thus I found that I had recovered all but a very few milligrams of the radium that had been originally purchased in London.