adjective

1. limiting or limited; specifying or specified; precise; definite; explicit no specific plans
2. of or constituting a species
3. peculiar to or characteristic of something specific traits
4. of a special, or particular, sort or kind
5. Med.
   1. specially indicated as a cure for a particular disease a specific remedy
   2. produced by a particular microorganism a specific disease
6. Physics designating a certain constant characteristic of a substance or phenomenon measured against some arbitrary, fixed standard of reference or expressed as an amount per unit area, unit volume, etc.

Etymology: LL specificus < L species (see species) + -ficus, -fic

noun

1. something specially suited for a given use or purpose
2. a specific cure or remedy
3. a distinct item or detail; particular