mortarboard
Word family nounmortarmortarboard
College
mor·tar·board /ˈmɔːtəbɔːd $ ˈmɔːrtərbɔːrd/ noun [countableC] 
SECa black cap with a flat square top worn by members of some universities on formal occasions 学士帽，学位帽 →5 see picture at 见图 hat- kindler
- kindles
- kindlier
- kindliest
- kindliness
- kindlinesses
- kindling
- kindling
- kindling
- kindlings
- kindly
- kindly disposed
- kindly disposed to
- kindly disposed to sb
- kindly disposed to somebody
- kindly disposed to something
- kindly disposed to sth
- kindly disposed towards
- kindly disposed towards sb
- kindly disposed towards somebody
- kindly disposed towards something
- kindly disposed towards sth
- kindness
- kindnesses
- kindness itself
- 能言善辩
- 能言鸟
- 能说会道
- 能豆儿
- 能近取譬
- 能通量
- 能量
- 能量流
- 胾
- 脂
- 脂油
- 脂粉
- 脂粉气
- 脂肪
- 脂肪瘤
- 脂肪肝
- 脂肪酶
- 脂肪酸
- 脂肪醇
- 脂膏
- 脂膘
- 脂蛋白
- 脂麻
- 脄
- 脆