【meter】
=metr
“measure” “测量”
|parame=para+meter n.参数；系数
para-“在旁边”
eg：One parameter which always comes into play is the national economy.
|perimeter=peri+meter n.周长，周界
peri-“周围；靠近”
eg：There stand many buildings around the perimeter of the airport.
|diameter=dia+meter n.直径
dia-“穿过；两者之间”
eg：The diameter of the treetrunk is 20 meters long.
【词汇扩展】
decameter n.十米
decimeter n.分米
kilometer n.千米
asymmetry n.不对称
（以上均来自《200个一定要学的英文词根词缀》一书）
