comhréir, f. (gs. ~e).1. Accord, congruity. 2. Mth: Proportion. I g~ (le), proportional (to). I g~ chontrártha le, inversely proportional to. ~ uimhríochta, arithmetical proportion. An chomhréir atá idir x agus y, the proportion that x bears to y. 3. Syntax.