tri·plex 
(trĭplĕks′, trīplĕks′)
(trĭplĕks′, trīplĕks′)adj.
1. Composed of three parts; threefold; triple.
2. Having three apartments, divisions, or floors: a triplex apartment building; a triplex cinema.
n.
Something, such as an apartment building, that is triplex: We live in a triplex.
[Latin; see trei- in the Appendix of Indo-European roots.]
- insurability
- insurable
- insurance
- insure
- insured
- insurer
- insurgence
- insurgency
- insurgent
- insurgently
- insurmountability
- insurmountable
- insurmountableness
- insurmountably
- insurrection
- insurrectional
- insurrectionary
- insurrectionism
- insurrectionist
- insusceptibility
- insusceptible
- insusceptibly
- INT
- int.
- intact