|
chemical
has definitions from the field of chemistry
|
|
| 1 |
[ adjective ] (chemistry) relating to or used in chemistry
Synonyms Examples "chemical engineer" "chemical balance" Used in print (Bern Dibner, "Oerstad and the Discovery of Electro...)Manthey maintained a valuable collection of physical and chemical apparatus which was at Oersted 's disposal during and after his graduation . In Berlin he published his views of the chemical laws_of_nature in German and this was issued in French translation ( Paris , 1813 ) under the title Recherches_sur_l_'_identite_des_forces_chimiques_et_electriques , a work held in very high esteem by the new generation of research chemists . (Successful Farming, 59:12...)The drug 's chemical name is listed , since most states require feed processors to use this name instead of the trade_name on the feed tag . In some instances , the trade_name is shown in parentheses following the chemical name . (U.S. Reports. Volume 366. Cases Adjudged in the...)In_addition , the right_to_vote the General_Motors stock held by du_Pont was to be vested in du_Pont 's stockholders , other_than Christiana and Delaware and the stockholders of Delaware ; du_Pont , Christiana , and Delaware were to be enjoined from acquiring stock in or exercising control over General_Motors ; du_Pont , Christiana , and Delaware were to be prohibited to have any director or officer in_common with General_Motors , and vice_versa ; and General_Motors and du_Pont were to be ordered to terminate any agreement that provided_for the purchase by General_Motors of any specified percentage of its requirements of any du_Pont manufactured product , or for the grant of exclusive patent_rights , or for a grant by General_Motors to du_Pont of a preferential right to make or sell any chemical discovery of General_Motors , or for the maintenance of any joint commercial_enterprise by the two companies . |
| 2 |
[ noun ] produced by or used in a reaction involving changes in atoms or molecules
Used in print (M. Yokoyama et al., "Chemical and serological...)In the present work whole sera have been fractionated by chromatography on DEAE-cellulose using single gradients similar to those described by Sober and Peterson , and certain chemical and serological properties of the fractions containing antibodies of the ABO and Rh systems have been described . (Jacob Robbins et al., "The thyroid-stimulating...)The importance of knowing in what chemical forms the hormone may exist is accentuated by the recent observation that there exists an abnormally long-acting TSH in blood drawn from many thyrotoxic patients ( Adams , 1958 ) . |
| 3 |
[ adjective ] (chemistry) of or made from or using substances produced by or used in reactions involving atomic or molecular changes
Examples "chemical fertilizer" Used in print (Jay C. Harris and John R. Van Wazer, "Detergent...)Even here there is room for some variation , for metal surfaces vary in smoothness , absorptive capacity , and chemical reactivity . As_is well_known , detergent actives belong_to the chemical class consisting_of moderately high molecular_weight and highly polar molecules which exhibit the property of forming micelles in solution . |
| * |
|