Definisi : n (math) kamiran: definite ~, kamiran tentu. (Kamus Inggeris-Melayu Dewan)
Definisi : adj 1. essential and cannot be left out, perlu, penting: public transport is an ~ part of urban planning, pengangkutan awam ialah perkara yg perlu dlm perancangan bandar; an ~ part of a machine, bahagian mesin yg perlu; 2. (math) kamiran: ~ constraint, kekangan kamiran; (Kamus Inggeris-Melayu Dewan)