ప్రతి ఆరు నెలల లేదా ఆరు నెలలు ప్రతి కాలంలో జరుగుతాయి,

semestrial's Usage Examples:

Students are admitted through admission exams held on a semestrial basis, except for the integrated courses.

examinations the universities have one week of vacation, the so-called "semestrial vacation", while the colleges start the classes of the second semester.

Observations at the Wise Observatory are allocated on a semestrial basis for the periods from the beginning of April to the end of September.

Duodécima memoria semestrial.

In 1953, The Patrician started publishing again, as a semestrial paper, until 1960 when it became annual because of financial restraints.

Synonyms:

semestral, periodical, periodic,

Antonyms:

aperiodic, continual, noncyclic, nonoscillatory,