The word "Bernard" is primarily used as a proper noun, specifically a last name. In English, it often refers to a famous person, particularly a French physiologist named Claude Bernard.
In advanced contexts, you might hear the term "Bernard" used when discussing the history of science or when referencing his theories in physiological studies.
Since "Bernard" is a proper noun, it doesn’t have direct synonyms. However, you could refer to Claude Bernard with titles like "physiologist" or "scientist" when discussing his work.
There are no specific idioms or phrasal verbs associated with "Bernard," as it is not a common word used in everyday English outside of scientific contexts.
In summary, "Bernard" refers to Claude Bernard, an influential figure in physiology. It is mainly used in scientific discussions and should always be capitalized as it is a proper noun.