different between periodical vs occasional

English

Etymology

period +? -ical.

Pronunciation

• (General American) IPA^(key): /?p??i??d?kl?/
• (Received Pronunciation) IPA^(key): /?p???i??d?kl?/
• Hyphenation: pe?ri?od?i?cal

Noun

periodical (plural periodicals)

1. A publication issued regularly, but less frequently than daily.
2. 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.

Synonyms

• (a publication that appears at fixed intervals): serial

Translations

Adjective

periodical (comparative more periodical, superlative most periodical)

1. Periodic.

   Synonyms: cyclic; see also Thesaurus:periodic

   • 1838, Thomas Dick, Celestial Scenery

     The periodical times of all the satellites.
2. Published at regular intervals of more than one day, especially weekly, monthly, or quarterly.
   • 1882, William John Courthope, "Addison", in Men of Letters

     influence opinion through the periodical press.

3. Of, or relating to such a publication.

References

• www.onelook.com
• encarta.msn.com/encnet/features/dictionary/DictionaryResults.aspx?refid=1861725056

Anagrams

• pareidolic

English

Etymology

occasion +? -al

Pronunciation

• IPA^(key): /??ke??(?)n?l/
• Hyphenation: oc?ca?sion?al

Adjective

occasional (not comparable)

1. Occurring or appearing irregularly from time to time, but not often.

2. Created for a specific occasion.

3. Intended for use as the occasion requires.

4. Acting in the indicated role from time to time.

Derived terms

Translations

Noun

occasional (plural occasionals)

1. A person who does something only occasionally.

References

• occasional at OneLook Dictionary Search
• occasional in The Century Dictionary, New York, N.Y.: The Century Co., 1911.