the prefix ob means against something e.g objection, obstacle, obstruction
opening batsman
ob
The Latin root that means "in the way" is "via." It is commonly used in English words such as "viaduct," "viaduct," and "viability."
opposed That starts with "op" not "ob"
ob which means toward, against, in the way
The prefix od- otherwise known as ob- means toward, against, or completely.
The Latin prefix for "against" is "contra."
A 75 hp Mercury outboard, serial number OB9655687, I can not find on the serial number chart. One thing I see, is a seven digit serial number, with a OB prefix. The seven digit serial numbers, ( prior to 1985 ), had no prefix. Serial numbers with the prefix, ( OA,OB,OC, ect. ), have six digit serial numbers. Could there be an error in the serial number posted?
The meaning for 'ob' are: contrary, against, towards or in the way of, against
on account of
OB stands for Ostby and Barton
"OB" stands for Ostby & Barton