Periodic vs. Periodical

Periodicadjective

Relative to a period or periods.

Periodicadjective

Having repeated cycles.

Periodicadjective

Occurring at regular intervals.

Periodicadjective

Periodical.

Periodicadjective

(astronomy) Pertaining to the revolution of a celestial object in its orbit.

Periodicadjective

For which any return to it must occur in multiples of k time steps, for some k>1.

Periodicadjective

(rhetoric) Having a structure characterized by periodic sentences.

Periodicadjective

Relating to the highest oxidation state of iodine; Of or derived from a periodic acid.

Periodicadjective

Pertaining to, derived from, or designating, the highest oxygen acid (HIO ) of iodine.

Periodicadjective

Of or pertaining to a period or periods, or to division by periods.

Periodicadjective

Performed in a period, or regular revolution; proceeding in a series of successive circuits; as, the periodical motion of the planets round the sun.

Periodicadjective

Happening, by revolution, at a stated time; returning regularly, after a certain period of time; acting, happening, or appearing, at fixed intervals; recurring; as, periodical epidemics.

Periodicadjective

Of or pertaining to a period; constituting a complete sentence.

Periodicadjective

happening or recurring at regular intervals

Periodicadjective

recurring at regular intervals

Periodicadjective

recurring or reappearing from time to time;

Periodicadjective

appearing or occurring at intervals

Periodicadjective

relating to the periodic table of the elements.

Periodicadjective

relating to a rhetorical period.

Periodicalnoun

A publication issued regularly, but less frequently than daily.

Periodicalnoun

A regularly issued thematic publication that contains the most current information in its field, often the primary means for communication of original scholarship or creative work at the cutting edge of research in its field.

Periodicaladjective

Periodic.

Periodicaladjective

Published at regular intervals of more than one day, especially weekly, monthly, or quarterly.

Periodicaladjective

Of, or relating to such a publication.

Periodicalnoun

A magazine or other publication which appears at stated or regular intervals.

Periodicalnoun

a publication that appears at fixed intervals

Periodicaladjective

happening or recurring at regular intervals

Periodicalnoun

a magazine or newspaper published at regular intervals.

Periodicaladjective

occurring or appearing at intervals; occasional

Periodicaladjective

(of a magazine or newspaper) published at regular intervals