IMPERIUM
Im*pe"ri*um, n.; pl. Imperia (#). [L. See Empire.]
1. Supreme power; absolute dominion; empire.
2. (Law) The right to command, which includes the right to employ the force of the state to enforce the laws. It is one of the principal attributes of the executive power.
IMPERIWIGGED
Im*per"i"wigged, a.
Defn: Wearing a periwig.
IMPERMANENCE; IMPERMANENCY
Im*per"ma*nence, Im*per"ma*nen*cy, n.
Defn: Want of permanence.
IMPERMANENT
Im*per"ma*nent, a.
Defn: Not permanent.
IMPERMEABILITY Im*per`me*a*bil"i*ty, n. Etym: [Pref. im- not + permeability: cf. F. imperméabilité.]