The word cell "Sub" means under.
Sub is one word, grade is another.
sub-paragraph
The prefix sub- means under. In this word it roughly means the under way.
Sub means smaller or under.
I had a sub sandwich for lunch.We had a sub in Algebra class.
Under, Below
sub
its not a prefix in that word...
Sub rosa, meaning "under the rose."
To delegate administrative authority.
Yes, as an architectural term.It is subbase or sub-base to mean a baseboard or lowest pedestal part.