Psi‧on /ˈsaɪɒn $ -ɑːn/
trademark a company that produces various types of small computer that people can carry around with them. Psion is known especially for its electronic
organizers (=very small computers that store information, such as dates or names and addresses, to help people organize their business activities and social life).
[TahlilGaran] Dictionary of Contemporary English ▲