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periodic Definition

pe·ri·odic (pir′ē äd′ik)

adjective

  1. occurring, appearing, or recurring at regular intervals a periodic fever
  2. occurring from time to time; intermittent
  3. of or characterized by periods the periodic motion of a planet
  4. of, characterized by, or expressed in periodic sentences

Etymology: MFr periodique < L periodicus < Gr periodikos

periodic Synonyms

periodic

modif.

intermittent, periodical, recurrent, cyclic; see intermittent. See syn. study at intermittent.

periodic Usage Examples

Preposition: in

direction: If a minimal surface has space group symmetry, it is periodic in three independent directions.

Modifies a noun

  • orbit: In addition the mechanism of control for periodic orbits is now quite well understood [ 2 ] .
  • tenancy: Periodic tenancies continue on a monthly basis from the start of the tenancy.
  • table: In the center of the periodic table is a block of metallic elements.
  • inspection: Sponsors get an annual update of activity in the boxes based on periodic inspections by bat group members during the year.
  • comet: The comet the becomes a periodic comet with a definite period for its returns close to the Sun.
  • review: A further periodic review took place in November 1999, to set price limits for the period 1 April 2000 to 2005.

Modifying Another Word

  • triply: The triply periodic structure is generated by reflections in the faces of the rhombic dodecahedron.
  • almost: Davenport was most attracted by Littlewood ' s lectures on the theory of primes and those of Besicovitch on almost periodic functions.
  • not: Quasicrystals are surprising because the arrangement of their atoms is regular but not periodic.
  • only: Some people need only periodic doses or small daily doses of antibiotics.
  • also: Also periodic written and verbal updates should be provided to the person reporting the cluster, the public health office and the community affected.
  • therefore: Therefore periodic monitoring of blood, urine and liver function values is recommended if orphenadrine is prescribed for prolonged use.

Used with adjective complement

  • have: Lip-reading is very tiring: students may need to have periodic rests.
  • become: If the tenancy becomes periodic what are the minimum notice requirements from the tenant?
  • require: This sort of analysis would require periodic, regular attitude research with members of the public.
  • include: This includes periodic stripping and polishing of hard floors and carpet cleaning.
  • need: Inventories will need periodic updating ( see the requirements of the information sub group ).