[per-uh-sahy-kuh l] /ˈpɛr əˌsaɪ kəl/
the outermost cell layer of the stele in a plant, frequently becoming a multilayered zone.
a layer of plant tissue beneath the endodermis: surrounds the conducting tissue in roots and certain stems
A layer of nonvascular tissue that surrounds the vascular tissues in the roots of plants and is in turn surrounded by the endodermis. New lateral roots begin growth from the pericycle.
[peer-ee-uh d] /ˈpɪər i əd/ noun 1. a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany. 2. any specified division or portion […]
[puh-rahy-uh-deyt] /pəˈraɪ əˌdeɪt/ noun, Chemistry. 1. a salt of a , as sodium periodate, Na 2 H 3 IO 6 . /pɜːˈraɪəˌdeɪt/ noun 1. any salt or ester of a periodic acid
- Period drama
noun 1. a drama set in a particular historical period
[peer-ee-od-ik] /ˌpɪər iˈɒd ɪk/ adjective 1. recurring at intervals of time: periodic revivals of an interest in handicrafts. 2. occurring or appearing at regular intervals: periodic visits by doctors to the village. 3. repeated at irregular intervals; intermittent: periodic outbreaks of the disease. 4. Physics. recurring at equal intervals of time. 5. Mathematics. (of a […]