I. ˈin-ˌfiks, in-ˈ transitive verb
Etymology: Latin infixus, past participle of infigere, from in- + figere to fasten — more at fix
Date: 1502
1. : to fasten or fix by piercing or thrusting in
2. : to impress firmly in the consciousness or disposition
3. : to insert (as a sound or letter) as an infix
Synonyms: see implant
• in·fix·ation ˌin-(ˌ)fik-ˈsā-shən noun
II. ˈin-ˌfiks noun
Date: 1881
: a derivational or inflectional affix appearing in the body of a word (as Sanskrit -n- in vindami “I know” as contrasted with vid “to know”)
III. same as 2 adjective
Date: 1971
: characterized by placement of a binary operator between the operands
a + b is expressed in infix notation
— compare postfix , prefix