different between mailer vs undefined

English

Etymology

mail +? -er

Pronunciation

• Rhymes: -e?l?(?)

Noun

mailer (plural mailers)

1. One who sends mail.
   • 2009, Robert Bly, 88 Money-Making Writing Jobs (page 133)

     Large and frequent mailers may send material on a monthly basis to their house lists, test acquisitions several times a year to drum up new donors, and perhaps do a few special appeals on top of that.

2. A computer program that sends electronic mail.
3. A packet or container designed for postal use.

   The cassette came in a brown paper mailer.

4. A mailshot; advertising sent by mail.
   • 1957, Printers' Ink (volume 260, page 43)

     Lasky Co., Newark (N. J.) printer, has been using a direct-mail campaign slanted toward this problem. Latest mailer, an oversized post card, has on the address side a colorful drawing of a bird perched on top of a sign post.

   • 1982, NHFA's CompetitivEdge (volume 56, page 71)

     Do they recall your latest mailer? Did you ever sell an armoire through ads on hard-rock radio? Find out with low-cost "intercept" surveys of customers as they leave the store.

Related terms

• mail

Anagrams

• Elmira, Mari El, Mariel, remail

French

Etymology

mail +? -er

Verb

mailer

1. to email (send an email)

Conjugation

Further reading

• “mailer” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Anagrams

• limera

English

Etymology

un- +? defined

Adjective

undefined (not comparable)

1. Lacking a definition or value.
2. (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.

   The result of division by zero is undefined.

Synonyms

• (lacking a definition or value): indefinite, undefinable; see also Thesaurus:indistinct or Thesaurus:vague

Antonyms

• defined

Translations