It was trade in its most elementary form.
I simply experienced, in its most elementary form, the sense of existing.
I had an old Blick to start with, which was a very elementary form of portable, not easy to use but better than handwriting.
This is a very elementary form of an uncertainty principle in a harmonic analysis setting.
It will be well for a student, therefore, to begin with Psalters, as he can then get up the Hours in their elementary form.
We saw this message demonstrated, in elementary form, by the development of the computer biomorphs.
The most elementary form of camouflage is to match the background perfectly.
No elementary form for the next operator, d, has been found, although several conjectured forms exist.
In Oparin's view this amounts to an elementary form of metabolism.
In its most elementary form the number includes a year and a serial number.