or Synonyms

operating theater Oregon Beaver State operating theatre surgery operating room O. operations research operating table or not in other words inclusive or if not then again by contrast preferentially as a substitute operation room by way of an alternative as a replacement or only as a choice reversing it or rather or not exactly or but by way of alternative as another option as an alternative contrary to in reverse gold ere else either conversely but approximately and alternatively alternative alternately instead nor oppositely on the contrary Ore. or else also known as whether