Research /(r?-s?rch")/

Re·search

Research

n.
  1. Diligent inquiry or examination in seeking facts or principles; laborious or continued search after truth; as, researches of human wisdom; to research a topic in the library; medical research.
    The dearest interests of parties have frequently been staked on the results of the researches of antiquaries.
  2. Systematic observation of phenomena for the purpose of learning new facts or testing the application of theories to known facts; -- also called scientific research. This is the research part of the phrase “research and development” (R&D).

research

v. t.
  1. To search or examine with continued care; to seek diligently.