retardant
UK [rɪ'tɑ:.dənt] US [-'tɑ:r-] noun countable or uncountable adjective
■(a substance) that makes the progress or growth of something slower 起阻滞作用的，阻止的；阻滞剂，阻化剂•Pot plants are commonly treated with (a) growth retardant so that they retain their shape.盆栽植物一般都施用阻长剂以保持其形态。 •fire/flame retardant furniture (= furniture that does not burn easily)阻燃家俱 |