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ultramaximum. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
From ultra- + maximum.
Adjective
ultramaximum (not comparable)
- Greater than maximum; supermaximal; ultramaximal.
1897, American Association for the Advancement of Science, John Michel, Science, The Macmillan Company, page 924:The action of each force is considered under several headings; light, for example, being considered as to its chemical action, its effect on the general functions of the organism and its action in controlling the locomotion (phototaxis); and the text is illustrated by numerous well-chosen figures as well as by several tables of which there may be especially mentioned No. XVIII., which gives the nature of the response to light of the various forms which have been experimented upon in this connection; No. XIX., which gives the ultramaximum temperature for numerous organisms; No. XX., which similarly gives the ultraminimal temperatures, and No. XXI., which is a list of species found in Hot Springs with the conditions under which they occur. The author’s judgment in the treatment of his subject is excellent, as he has confined himself for the most part to a judicious statement of facts and phenomena, with here and there a suggestive inference or an indication of lines for further observation, wisely refraining from what would have been more or less profitless discussions, the times not yet being ripe for broad generalizations on the subjects of which he treats.
1901, George Percival Mudge, A Textbook of Zoology, Arnold, page 20:The ultramaximum temperature, or death point, of a unicellular organism like Amœba is from 40° to 45° C. and its ultraminimum is 0° C.; that of bacteria is 45° C. and their minimum has been lowered to -10° C. and for some time sinking to - 18° C., without death resulting; that of yeast, under moist conditions is 58° C. and - 5° C. respectively, but in the dry state it may be reduced to the extremely low temperature of solid carbonic acid (- 60° C.) without being killed.
1923, Philip Buckle, Rovert A. Wardle, The Principles of Insect Control, Arnold, page 198:The use of heat as a sterilising agent is a method of long standing and is particularly effective against most insects. Insects are very susceptible to high temperatures, the ultramaximum temperature—the temperature which will kill an insect instantly—being for the great majority of insects about 140 degrees F. A moderately high temperature, however, if applied for several hours is usually as fatal as a much higher temperature applied for a shorter time.