Also found in: Thesaurus.
Related to ameliorator: amelioratory


tr. & intr.v. a·me·lio·rat·ed, a·me·lio·rat·ing, a·me·lio·rates
To make or become better; improve: Volunteers were able to ameliorate conditions in the refugee camp. Conditions are ameliorating.

[Alteration of meliorate.]

a·mel′io·ra·ble (-rə-bəl) adj.
a·mel′io·ra′tive adj.
a·mel′io·ra′tor n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
The "mother figure" especially for older women comes across as an effective ameliorator of the gap between female bosses and junior colleagues: authority clothed in a feminine garb that society would accept.
BC could act as a direct source of soluble P salts and exchangeable P, a modifier of soil pH and ameliorator of P complexing metals ([Al.sup.3+], [Fe.sup.3+,2+], [Ca.sup.2+]), or promote microbial activity and P mineralisation.
After being elected a Sheriff of London in 1807, Phillips improved the conditions of debtors and enacted other reforms, and on his gravestone he wished to have engraved: "He was Sheriff of London and Middlesex in 1807-8, and an effective ameliorator of a stem and uncharitable criminal code." Phillips was also a vegetarian, and asked in his Memoirs: "Cannot they [animals] contribute to supply our wants without surrendering their existence?" (13) (Cf.
These findings suggested that Livol (Herbal Polysaccaride) can effectively stimulate/enhance the body weight gain, immunity in broiler chicks and Livol (Herbal polysaccarides) can be potential ameliorator against various vaccines and its adverse/suppressive effects in broiler chicks.
Law must not only be reduced to its formal element but, even then, be dispensed with if it does not serve the aim of the commander: "[T]his paper is intended as a reminder that those interested in promoting law as an ameliorator of the misery of war are obliged to ensure it does not become bogged down with interpretations that are at odds with legitimate military concerns." (94) Whence, "LOAC must remain receptive to new developments, especially technological ones that can save lives--even if that means breaking old paradigms." (95) The paradigm in question is the already-attenuated delimitation of law in relation to imperial power and its wars of expansion.
The precedent for the use of compulsory schooling as a moral counter to the negative influence of working-class homes and neighborhoods, and as an ameliorator for those children who had thus far showed little promise of contributing positively to society, had already been established by reformatory and industrial schools.