临界的英文是criticality。
临界是指由某一种状态或物理量转变为另一种状态或物理量的最低转化条件。
criticality主要用作名词，作名词时译为临界。
criticality短语搭配：
delayed criticality 缓发临界
Item Criticality 项目危害度
criticality incident 临界事故
Criticality Grids 供货商的分类
criticality例句：
1. The greater the enrichment, the less the critical mass.
浓缩程度越大，临界质量越小。
2. Borderline deficiencies often cause small hemorrhagic blemishes.
临界缺乏常引起小的出血瘀疤。
3. Both the dual and complement of such functions are also threshold function.
个函数的对偶及都是临界值函数。
4. The following details pertain primarily to the critical-depth flume.
下面的详细说明主要是针对临界深度型水槽的。
5. The same ideas of critical size and critical mass apply to bombs.
同样的临界尺寸概念和临界质量概念适用于原子弹。
6. Nothing happens until the excitatory stimulus exceeds a certain "threshold" value.
兴奋性刺激超过某一临界值以前毫无反应。
7.We shall find this definition useful for the determination of the critical load.
采用这个定义，对确定临界荷载是有用处的。
8. the next step is to find the critical t values, t* which mark off α/2.
下一步是找出划分出α/2的的临界值t* 。
9. There must be no critical races when the circuit is operated in fundamental mode.
当电路按基本方式工作时，必须没有临界竞争存在。
10. What determines a particle's potential for nucleation is its "critical supersaturation.
粒子的“临界过饱和”决定了它的成核潜力。