1. shedding of flowers and leaves and fruit following formation of scar tissue in a plant

2. the act of cutting something off

1.

1. 脱落：abscisic acid脱落酸 |abscission脱落 | absolute绝对的

2. 切断：abscissa 横坐标 |abscission 切断 | abscond 潜逃

3. 切断, 除去：allusion 提及, 暗示 |abscission 切断, 除去 | rescission 废除

4.

4. 切除：abscission 截断 |abscission 切除 | absence of mind 心不在焉

It is antagonistic abscisic acid in abscission.

在脱落过程中生长素与脱落酸有拮抗作用。

abscission of the tightly rolled , needlelike tips of the injured leaves quite often occurred.

受毒害叶片经常出现针状的叶尖从蜷缩部分脱落下来.

Objective : To introduce a way of epicanthus correction by inferior edge abscission.

目的: 介绍一种通过内眦下边缘离断矫正内眦赘皮方法.

The roof abscission layer is the biggest security hidden danger in bolting support tunnel.

顶板离层是锚杆支护巷道最大的安全隐患之一.

Epithelial cells necrosis and abscission in the lamellae, there are bacterials. 1 - capillary vessel, 2 , 3 - bacterials.

鳃小片上皮细胞发生坏死脱落,毛细血管裸露, 其上粘附有细长的细菌. 1- 毛细血管, 2 、 3-细菌.

When abscission occurred, total sugar and soluble protein were decreased, but reducing sugar was increased.

当脱落发生时, 培养体的总糖及可溶性蛋白的含量降低, 但还原糖含量升高.