Biologoical mean the study of a piratical type of rock. :)
Many will say that scurvy is the Piratical disease.
Scurvy
Bluto/Brutus .
Captain Hook
scurvy
scurvy
searh in the youtube
half or part of
the prefix semi means 'half' or 'sort-of' so semi-wild would mean sort of wild, but not totally wild.
Hemi-, demi- and halv- all mean 'half', as does semi-
Permeable mean that it is full time. Semi-permeable is when it is only part of the time.