us·er·name 
(yzər-nām′)
(yzər-nām′)n.
A sequence of characters serving as identification when accessing a computer, other digital device, or application and often associated with a privately held password. Also called user ID.
- hyposensitization
- hyposensitize
- hypostasis
- hypostatic
- hypostatical
- hypostatically
- hypostatization
- hypostatize
- hyposthenia
- hyposthenic
- hypostyle
- hyposulfite
- hypotactic
- hypotaxis
- hypotension
- hypotensive
- hypotenuse
- hypothalamic
- hypothalamus
- hypothecate
- hypothecation
- hypothecator
- hypothenuse
- hypothenuse
- hypothermal