det的词性缩写是：determiner是简写，是限定词的意思。英式发音是[dɪˈtɜ:mɪnə(r)]。与不可数或复数名词连用，用于否定句，也用于疑问句中的if或whether之后，或紧接某些动词如prevent、ban、avoid等任何的，任一的，主要置于名词前起限定作用。
determiner
英[dɪˈtɜ:mɪnə(r)] 美[dɪˈtɜ:rmɪnə(r)]
n.
<语言>限定词
noun
(grammar语法) (abbreviation
det. in this dictionary本词典缩略为det.) 限定词（置于名词前起限定作用，如the、some、my等）
。
与不可数或复数名词连用，用于否定句，也用于疑问句中的if或whether之后，或紧接某些动词如prevent、ban、avoid等）任何的，任一的。
例句：
1、Plural count nouns do take a determiner when they refer
precisely toparticular things of people.
当可数名词复数指特定的人物或事物时必须要用限定词。
2、All three can come before a noun, often with a determiner ( eg the, this, my).
这三个词都可用于名词之前，常与限定词（如the，this，my）连用。
3、A scientist isolated a gene called CSD, or Complimentary Sex Determiner.
科学家们从蜜蜂体内分离出一种基因，叫做性别决定基因（简称CSD）。
4、A determiner ( as` the 'in English) that indicates specificity of reference. the
essential qualities
or characteristics by which something is recognized.
表示所指事物的特性（如英语中的`the'）。某一事物最本质的属性或这一事物被公认的代表性特征。
扩展资料
限定词与名词的搭配关系
名词有不可数名词、单数可数名词和复数可数名词之分，对限定词有不同的要求。根据这种搭配关系可将限定词划分为以下几类：
1. 只能限定单数可数名词的限定词
下列限定词只能用以限定单数可数名词：another, each, every,
neither, either, the whole, a/an, one, many a, such a
例如：
Neither road is very good.
I spent the whole morning in bed today.
2.既可限定单数可数名词，又可限定复数可数名词的限定词
下列限定词既可限定单数可数名词，又可限定复数可数名词：the first, the
second, the next, the last, the other, etc.例如：
He was the last person to leave. (限定单数可数名词)
We spent the last days of our holidays at
home. (限定复数可数名词)
3.只能限定不可数名词的限定词
下列限定词只能用以限定不可数名词：much, (a) little, a bit
of, a great deal of, a great amount of。
例如：
I have much pleasure in declaring this new
factory open.
There's been a bit of trouble at the
office.
4.既可限定不可数名词，又可限定单数可数名词的限定词
下列限定词既可限定不可数名词，又可限定单数可数名词：this, that, (the)
least。
例如：
Wait until you've heard this story. (限定单数可数名词)
They should have arrived by this time. (限定不可数名词)
(the) least knowledge
(the) least sign (of prejudice)