a combining form with the meanings âheight,â âtip end,â âextremities of the body,â used in the formation of compound words: acrophobia. Also, especially before a vowel, acr-. Origin of acro-. < Greek, combining form of Ã¡kros topmost, highest; akin to Latin Äcer sharp.
â¢ CANTUS FIRMUS (noun) The noun CANTUS FIRMUS has 1 sense: 1. a melody used as the basis for a polyphonic composition. Familiarity information: CANTUS FIRMUS used as a noun is very rare. Dictionary entry details.
Oral Lichen Planus (LP), a disease defined as reticular, erosive, atrophic, or bullous in nature, is an immune. mediated condition that typically develops in women. in their fifth and sixth decade. Reticular LP, absent ery-. thema, is asymptomatic and does not usually need inter-. vention.