periodic disease pe·ri·od·ic disease (pĭr’ē0ŏd’ĭk)
A disease for which symptoms tend to recur at regular intervals.
[peer-ee-od-ik, peer-] /ˈpɪər iˈɒd ɪk, ˌpɪər-/ noun, Mathematics. 1. a function of a real or complex variable that is periodic. /ˌpɪərɪˈɒdɪk/ noun 1. (maths) a function, such as sin x, whose value is repeated at constant intervals
- Periodic group
database (PE) Groups of logically related fields which occur multiple times within a group. Periodic groups are a non-relational technique. An example of a PE would be for storing the history of a person’s name changes, where name was kept in logically related fields such as surname, first name and middle name – with the […]
[peer-ee-uh-dis-i-tee] /ˌpɪər i əˈdɪs ɪ ti/ noun 1. the character of being ; the tendency to recur at regular intervals. n. 1805, from French périodicité (1796), from périodique, from Latin periodicus (see periodic). periodicity pe·ri·o·dic·i·ty (pĭr’ē-ə-dĭs’ĭ-tē) n.
[peer-ee-od-ik, peer-] /ˈpɪər iˈɒd ɪk, ˌpɪər-/ noun, Chemistry. 1. the law that the properties of the elements are periodic functions of their atomic numbers. 2. Also called Mendeleev’s law. (originally) the statement that the chemical and physical properties of the elements recur periodically when the elements are arranged in the order of their atomic weights. […]