1TD [intransitive and transitive]
to write something using a computer or a typewriter:
He types with two fingers.
Type your password, then press 'Return'.
type something up (=type a copy of something written by hand, in note form, or recorded)
I went home to type up the report.
type something in (=write information on a computer)
Please wait while I type in your details.
2 [transitive] technicalHB
to find out what group something such as blood, cells, or a disease belong to: