# An Etymological Dictionary of Astronomy and AstrophysicsEnglish-French-Persian

## فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

### M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 6 Search : unitary
 communitary   همدارگانی   hamdârgâniFr.: communautaire-   Of or relating to a community; communal.→ community; → -ary. unitary   یکایی   yekâyiFr.: unitaire   1) Of or pertaining to a unit or units; having the indivisible character of a unit. 2) Math.: An → operator  U satisfying the relations: U+ U = 1, U U+ = 1, where U+ is the → adjoint .→ unit + -ary. unitary group   گروه ِ یکایی، ~ یکانی   goruh-e yekâyi, ~ yekâniFr.: groupe unitaire   The set of n × n unitary matrices (→ unitary matrix).→ unitary; → group. unitary matrix   ماتریس ِ یکایی، ~ یکانی   mâtris-e yekâyi, ~ yekâniFr.: matrice unitaire   A square matrix whose inverse equals its adjoint.→ unitary; → matrix. unitary operator   آپارگر ِ یکایی   âpârgar-e yekâyiFr.: opérateur unitaire   A linear operator whose inverse is its → adjoint. In addition to → Hermitian operators, unitary operators constitute a fundamentally important class of quantum-mechanical operators.→ unitary; → operator. unitary transformation   ترادیس ِ یکایی، ~ یکانی   tarâdis-e yekâyi, ~ yekâniFr.: transformation unitaire   A transformation whose reciprocal is equal to its Hermitian conjugate.