Definition of semi-synthetic in English:

semi-synthetic

Line breaks: semi-synthet¦ic
Pronunciation: /sɛmɪsɪnˈθɛtɪk
 
/

adjective

Chemistry
(Of a substance) made by synthesis from a naturally occurring material: a wide range of semi-synthetic penicillins
More example sentences
  • This is a semi-synthetic substance used as a thickening substance and to encourage lather.
  • Pyrethroids for example may be quite soft on mammals and birds but this particular group of semi-synthetic pesticides is extremely toxic to insects, fish and amphibians.
  • The Germans have begun work on semi-synthetic analogs to certain ferulic-acid skeletal-remnant panaxosides, in a mutual agreement with an unnamed Japanese pharmaceutical manufacturer.

Definition of semi-synthetic in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day impudicity
Pronunciation: ˌimpyəˈdisitē
noun
lack of modesty