形容詞 prolate:

1. having the polar diameter greater than the equatorial diameter
   同義詞：watermelon-shaped
2. rounded like an egg
   同義詞：egg-shaped, elliptic, elliptical, oval, oval-shaped, ovate, oviform, ovoid

pro.late

adj.（形容詞）
Having the shape of a spheroid generated by rotating an ellipse about its longer axis.
長(zhǎng)橢圓形的：將橢圓圍繞其較長(zhǎng)的軸自轉(zhuǎn)而產(chǎn)生的回轉(zhuǎn)橢球體形狀的
Having the polar axis longer than the equatorial diameter:
長(zhǎng)球面的：垂直對(duì)稱軸比環(huán)狀結(jié)構(gòu)平面最大直徑長(zhǎng)的：
例句：
a prolate spheroid.
長(zhǎng)球體

來(lái)源：
Latin prôl3tus [past participle of] prôferre [to stretch out]
拉丁語(yǔ) prôl3tus [] prôferre的過(guò)去分詞 [伸展]
prô- [forth] * see pro-
prô- [向前] *參見(jiàn) pro-
l3tus [brought] * see tel…-
l3tus [帶來(lái)] *參見(jiàn) tel…-

【引伸】
pro.late.ly
adv.（副詞）
pro.late.ness
n.（名詞）