use preparative in a sentence.
The first Nobel Prize for Chemistry recognizing pioneering work in preparative organic chemistry was that to Victor Grignard from
They have, however, also been very useful in preparative chemistry and two Nobel Prizes have been awarded for such applications: 1912 to Grignard and 1963 to Ziegler and Natta.
They're asking a psychologist should do so-called preparative or conversion therapy on gay patients?
Their conversation is a kind of preparative for sleep; it takes the mind down from its abstractions, leads it into the familiar traces of thought, and lulls it into that state of tranquillity, which is the condition of a thinking man, when he is but half-awake.
Then we start preparative work: we learn the history, search for the images, develop the texture, choose the technique and draw sketches.