iff

See also: IFF

English

Etymology 1

Pronunciation

"if and only if"

• (UK) IPA^(key): /ɪf ən(d) ˈəʊn.li ɪf/
• (US) IPA^(key): /ɪf ən(d) ˈoʊn.li ɪf/

Conjunction

iff

1. (mathematics, logic) Short for if and only if.

   A rectangle is a square iff all four of its sides have the same length.

Related terms

• if

Translations

abbreviation of if and only if

• Danish: hviss
• Dutch: desda
• Finnish: joss (fi)
• French: ssi (fr)
• German: gdw.
• Hebrew: אםם (he)
• Hungarian: acsa
• Norwegian: hviss (no)
• Polish: wtw
• Portuguese: sse, sss
• Romanian: ddacă
• Russian: титтк (tittk)
• Spanish: sii
• Swedish: omm (sv)

Etymology 2

Conjunction

iff

1. Obsolete spelling of if.
   • 1565, Thomas Stapleton, A Fortreſſe of the Faith &c., Ihon Laet, the 2. part. 112:

     For iff the patient be aſhamed to diſcloſe hiſ wounde to the phyſician which knoweth it not , phyſicke can not helpe him.

Anagrams

• FFI, FIF, Fif.

Tarifit

Etymology 1

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Verb

iff (Tifinagh spelling ⵉⴼⴼ)

1. (intransitive) to surpass, to be better, to be worth more

Conjugation

This verb needs an inflection-table template.

Derived terms

• Verbal noun: tifet

Udders of a camel.

Etymology 2

Cognate with Northern Saharan Berber iff (“udder”).

Noun

iff m (Tifinagh spelling ⵉⴼⴼ, plural iffan)

1. nipple
2. udder

   Synonyms: abbuc, tinɣi

   iffan n tfunast.

   The udders of a cow.