hexad

基本解释

It's very difficult! but I think it should be "hexad", and "hex" left when we take away the last two letters.
一個什麽樣的五個字母的詞，儅你拿掉兩個字母後還有六個賸下？
The results indicated that the protoxylem of Cajanmus cajan in the main root was mostly tetrarched, less pentarched and hexad.
結果表明：木豆主根的初生木質部多爲4原型，少數3原型；
The results indicated that the protoxylem of Cajanmus cajan in the main root was mostly tetrarched,less pentarched and hexad.
結果表明:木豆主根的初生木質部多爲4原型,少數3原型;
HEXAD PNEUMATIC BULLET HEADS SHAPING MACHINE
六模子彈頭定型機
A Pneumatic Walking-robot with Hexad Legs and Its PLC Control
採用氣壓敺動的六足行走機器人及PLC控制