This is a formulation which has been prepared outside the normal manufacturing places and is specially prepared or made up somewhere else to suit an individuals particular need. E.g. a cream or ointment can be prepared extemporaneously (one-off) in a pharmacy by a pharmacist.
The root word of "extemporaneous" is "tempor," which means "time" in Latin.
Extemporaneous is defined as being carried out, such as a performance, with little to no preparation. A sentence for this word is "The candidate's extemporaneous speech really seemed to motivate his audience".
rehearsed, scripted, practiced, prepared, orchestrated.
The extemporaneous style of speaking lies midway between reading a prepared text and impromptu delivery.
An extemporaneous presentation is a presentation that you planned and rehearsed for. You might refer to notes or an outline, but you create the sentences as you speak.
Preperation "F" and Preperation "G" were previously tried so in Spring 1066 he tried Preperation "H".
Impromtu preparation
Well, since extemporaneous means sudden... you would need an antonym for sudden. That would be anticipated or expected.
preperation of the crib!
Extemporaneous speech means speech that is not scripted, and is delivered without the speaker using notes. An example of an extemporaneous speech would be the speech a coach gives his team during half-time to rally them for the second half of the game.
no they can not :)
The Tagalog term for extemporaneous speech is "pabigla-bigla o padalos-dalos na pagsasalita."