i

symbol

the imaginary quantity equal to the square root of minus one.

suffix

a connecting vowel chiefly forming words ending in -ana, -ferous, -fic, -form, -fy, -gerous, -vorous.

1. forming the plural of nouns adopted from Latin ending in -us.

   foci

   timpani

2. forming the plural of nouns adopted from Italian ending in -e or -o.

   dilettanti

1. forming adjectives from names of countries or regions in the Near or Middle East.

   Azerbaijani

   Pakistani

from Semitic and Indo-Iranian adjectival endings.

1. the ninth letter of the alphabet.
2. the Roman numeral for one.

1. used by a speaker to refer to himself or herself.

   accept me for what I am

noun

(in metaphysics) the subject or object of self-consciousness; the ego.

Old English, of Germanic origin; related to Dutch ik and German ich, from an Indo-European root shared by Latin ego and Greek egō .

1. Island(s) or Isle(s) (chiefly on maps).
2. Italy (international vehicle registration).

1. electric current.

   V = I/R

2. the chemical element iodine.

noun, symbol

the chemical element of atomic number 53, a non-metallic element forming black crystals and a violet vapour.

early 19th century: from French iode (from Greek iōdēs ‘violet-coloured’, from ion ‘violet’ + -eidēs ‘like’) + -ine⁴.