Word · CEFR A2 · Frequency #1992
root
根；根部
The usually underground part of a plant that holds it in the ground and takes in water and nutrients.
- 1.
The part of a plant, generally underground, that anchors and supports the plant body, absorbs and stores water and nutrients, and in some plants is able to perform vegetative reproduction.
植物通常位于地下的部分,固定并支撑植物体,吸收和储存水分及养分,有些植物还能进行无性繁殖。
- 2.
An act of rummaging or searching.
翻找或搜寻的行为。
- 3.
(botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground
(植物学)通常位于地下的器官,缺乏芽、叶或节点；吸收水分和矿物盐；通常将植物固定在土壤中
- 4.
A root vegetable.
根菜类蔬菜。
- 5.
the place where something begins, where it springs into being
某物开始的地方,或其产生的起点
- 6.
The part of a tooth extending into the bone holding the tooth in place.
牙齿伸入骨骼固定牙齿的部分。
- 7.
(linguistics) the form of a word after all affixes are removed
(语言学)去掉所有词缀后的词形
- 8.
The part of a hair under the skin that holds the hair in place.
皮肤下固定毛发的部分。
- 9.
The part of a hair near the skin that has not been dyed, permed, or otherwise treated.
靠近皮肤未经染色、烫卷或其它处理的毛发部分。
- 10.
The primary source; origin.
主要来源；起源。
- 11.
The section of a wing immediately adjacent to the fuselage.
机翼紧邻机身的部分。
- 12.
The bottom of the thread of a threaded object.
螺纹物体的螺纹底部。
- 13.
Of a number or expression, a number which, when raised to a specified power, yields the specified number or expression.
一个数或表达式的根,即乘方到指定次方后得到给定数或表达式的数。
- 14.
A square root (understood if no power is specified; in which case, "the root of" is often abbreviated to "root").
平方根(未指定次方时即指平方根；“the root of”常缩写为“root”)。
- 15.
A zero (of an equation).
方程的根。
- 16.
The single node of a tree that has no parent.
树中无父节点的唯一节点。
- 17.
The primary lexical unit of a word, which carries the most significant aspects of semantic content and cannot be reduced into smaller constituents. Inflectional stems often derive from roots.
词汇的基本单位,承载主要语义,不可再分,词干常源于词根。
- 18.
A word from which another word or words are derived.
派生其他词的词。
- 19.
The fundamental tone of any chord; the tone from whose harmonics, or overtones, a chord is composed.
和弦的基音,由泛音构成。
- 20.
The lowest place, position, or part.
最低的位置或部分。
- 21.
In UNIX terminology, the first user account with complete access to the operating system and its configuration, found at the root of the directory structure; the person who manages accounts on a UNIX system.
UNIX中拥有完全系统访问权限的第一个用户账户,位于目录结构根目录；系统管理员。
- 22.
The highest directory of a directory structure which may contain both files and subdirectories.
目录结构中的最高目录,可包含文件和子目录。
根源；起源；起因；牙根；毛根；发根；词根
In use
The tree's roots extend deep into the soil.
We need to get to the root of the problem.
Square root of 16 is 4.
communism's Russian root
the root of sth
用于指出某事的根本原因或起源。
The root of the problem is lack of communication.
问题的根源在于缺乏沟通。
take root
表示观念、习惯等开始建立并发展。
The idea of democracy took root in the country.
民主思想在那个国家扎下了根。
at the root of sth
强调某事物是另一事物的根本原因。
Connections
Collocations
- square root
- 平方根
- The square root of 16 is 4.16的平方根是4。
- root cause
- 根本原因
- We need to find the root cause of the problem.我们需要找到问题的根本原因。
- take root
- 扎根；生根
- The plant took root in the rich soil.这株植物在肥沃的土壤中扎下了根。
- root of the problem
- 问题的根源
- Lack of trust is the root of the problem.缺乏信任是问题的根源。
- root vegetable
- 根茎类蔬菜
- Carrots and potatoes are common root vegetables.胡萝卜和土豆是常见的根茎类蔬菜。
Idioms & figurative uses
Learner notes
Memory Tip
联想'入土'，想象根扎入土中
Context & Register
义项：植物的根。语域：中性。常见语境：植物学、园艺、日常对话。注意：通常指植物的地下器官，也可用于比喻义，与其他义项（如祖先、起源）区别明显。
Pronunciation & Spelling
All listed words (boot, loot, shoot, toot, coot, moot) genuinely rhyme with 'root' (stressed vowel /uː/ and final /t/). Watch out for 'foot' and 'soot', which have the vowel /ʊ/ and do not rhyme.
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 3，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.