|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|the offspring of a zebra and a donkey.|
|—adj (foll by of)|
|1.||producing or having the power to produce; fertile|
|2.||yielding favourable or effective results|
|a. producing or capable of producing goods and services that have monetary or exchange value: productive assets|
|b. of or relating to such production: the productive processes of an industry|
|4.||resulting in: productive of good results|
|5.||denoting an affix or combining form used to produce new words|
productive pro·duc·tive (prə-dŭk'tĭv, prō-)
Producing or capable of producing mucus or sputum.
Forming new tissue, as of an inflammation.