Port Petrovsk
/pɪˈtrɒfsk
/ Former name (until 1922) for Makhachkala.
- Langley, Samuel Pierpoint
- Langmuir, Irving
- Langmuir–Blodgett film
- langosta
- langouste
- langoustine
- langra
- Lang Reed
- Lang Reid
- lang syne
- Langton, Stephen
- Langtry, Lillie
- language
- language area
- language arts
- language attrition
- language barrier
- language competence
- language contact
- language course
- languaged
- language death
- language disorder
- language engineer
- language engineering