dot
Longman Dictionary of Contemporary English 5++LDOCE 5++dot1 /dɒt $ dɑːt/ ●●● S2 noun [countable] 1 MARKa small round mark or spot 点，小圆点 a pattern of dots 圆点图案2 on the dot informalTIME/AT A PARTICULAR TIME exactly on time or at a particular time 在指定时间，准时 I’ll be there on the dot. 我会准时到那里。at three o'clock/seven thirty etc on the dot (=at exactly 3:00/7:30 etc) 正好3点/7点30分等 Mr Green arrived at six on the dot. 格林先生正好在6点到达。3 FARsomething that looks like a small spot because it is so far away 〔因相距很远〕看似一个小点的物体 The plane was just a dot on the horizon. 飞机当时只是地平线上的一个小点。4. TCTa short sound or flash of light used when sending messages by Morse code 〔莫尔斯电码的〕点 → dash → the year dot at year(14)
Examples from the Corpus
dot• The plane was just a dot in the sky.• A dot is placed in the appropriate column opposite each criterion and the dots are joined up by a line.• His fabric prints include lots of roses, hearts, and dots.• This is the city connected by dots.• Each dot is made of many tiny tubes - much too small to see without a microscope.• The O. J. Simpson civil trial resumes Monday, and with it, the defense strategy of connect the dots.• So basically Angela just connects the dots.• The reverse occurred on restoration of the dot key and depression of the dash key.• The children were dots on the sand, well ahead of him now, getting smaller all the time.dot2 ●○○ verb (dotted, dotting) [transitive] 1 MARKto mark something by putting a dot on it or above it 在〔某物上面或上方〕加点 She never dots her i’s. 她从来不在i上面加点。2 [usually passive]SPREAD if an area is dotted with things, there are a lot of them there but they are spread far apart 布满，星罗棋布于be dotted with something The lake was dotted with sailboats. 湖面上星星点点布满了帆船。be dotted about/around etc something The company has over 20 stores dotted around the country. 该公司现有超过20家商店散布在全国各地。 Poppies dotted the field. 田野里遍布着星星点点的罂粟花。n Grammar Dot is often passive in this meaning.3 MARKto put a very small amount of something on a surface, especially in several places 点；点缀dot something with something Dot the apples with butter. 在苹果上点些黄油。4. dot the i’s and cross the t’s informalDETAIL to pay careful attention to all the details when you are finishing something 〔即将完成某事情时〕检查所有细节，一丝不苟地完成→ See Verb tableExamples from the Corpus
dot• Dot the apples with butter cut into small pieces.• Computer screens displaying bulletin boards dot the college.• Chalet-style homes dot the forested hillside.• The ganja farms increased in rapid frequency, with hastily erected tents dotting the hillsides.• Moose and bear prints dotted the sand bars and bald eagles glared down at us from river-side perches.• Along the roadsides, spring wildflowers dot the shoulders like stars in sparse constellations.• There was, however, the matter of the gold brooch dotted with gemstones.• It was dotted with old stone-built houses and cottages.• From my door stretched blue-green fields dotted with trees and the colored saris of women going to work.be dotted about/around etc something• Low couches and upholstered cushions were dotted around the floor.• Some 200 restaurants and retail concessions will be dotted around the Expo site.• Stone ruins were dotted about the site, several yards apart, like an abandoned village whose streets had turned to pastureland.From Longman Business Dictionarydotdot /dɒtdɑːt/ noun [countable]1COMPUTINGa small round mark, for example the one used over the letter i. If you are telling someone your EMAIL address, you refer to the round mark between the words as dotIf you need to email me, you can contact me at john dot jones at pearson dot com.2on the dot informal if something happens at a certain time on the dot, it happens at exactly that timeThe meeting begins at 9.30 on the dot.3connect/join the dots to find or show that there is a relationship between several ideas, facts etcIt took years of work by a team of investigators to connect all the dots and show that he was guilty.Origin dot1 Old English dott “top of a spot on the skin”dot1 noundot2 verb →n GRAMMAR1LDOCE OnlineChinese
Corpus round a mark Business small spot or
dot
dot1 S2 /dɒt $ dɑːt/ 
noun [countable]
a pattern of dots
2. on the dot informal exactly on time or at a particular time:
I’ll be there on the dot.
at three o'clock/seven thirty etc on the dot (=at exactly 3:00/7:30 etc)
Mr Green arrived at six on the dot.
3. something that looks like a small spot because it is so far away:
The plane was just a dot on the horizon.
4. a short sound or flash of light used when sending messages by Morse code ⇨ dash
⇨ the year dot at year(13)
dot2 verb (past tense and past participle dotted, present participle dotting) [transitive]
1. to mark something by putting a dot on it or above it:
She never dots her i’s.
2. [usually passive] if an area is dotted with things, there are a lot of them there but they are spread far apart
be dotted with something
The lake was dotted with sailboats.
be dotted about/around etc something
The company has over 20 stores dotted around the country.
Poppies dotted the field.
3. to put a very small amount of something on a surface, especially in several places
dot something with something
Dot the apples with butter.
4. dot the i’s and cross the t’s informal to pay careful attention to all the details when you are finishing something
| I |
noun [countable] Language: Old English
Origin: dott 'top of a spot on the skin'
1. a small round mark or spot:Origin: dott 'top of a spot on the skin'
2. on the dot informal exactly on time or at a particular time:
at three o'clock/seven thirty etc on the dot (=at exactly 3:00/7:30 etc)
3. something that looks like a small spot because it is so far away:
4. a short sound or flash of light used when sending messages by Morse code ⇨ dash
⇨ the year dot at year(13)
| II |
verb (past tense and past participle dotted, present participle dotting) [transitive]1. to mark something by putting a dot on it or above it:
2. [usually passive] if an area is dotted with things, there are a lot of them there but they are spread far apart
be dotted with something
be dotted about/around etc something
3. to put a very small amount of something on a surface, especially in several places
dot something with something
4. dot the i’s and cross the t’s informal to pay careful attention to all the details when you are finishing something
patch an area of sth, especially one which is different from the area around it 指色斑、斑点、（与周围不同的）小块、小片 ：◆ a white dog with a black patch on its head 头上有一块黑斑的白狗 ◆ patches of dense fog 团团浓雾 dot a small round mark on sth, especially one that is printed 指点、小点、小圆点，尤指印出来的点 ：◆ The letters 'i' and 'j' have dots over them. 字母 i 和 j 上面都有一点。 ◆ The island is a small green dot on the map. 这个岛在地图上是一个小绿点。 mark a noticeable area of colour on the body of a person or animal 指人或动物身上的斑、记号、色斑 ：◆ The horse had a white mark on its head. 这匹马头上有块白斑。 spot a small round area that is a different colour or feels different from the surface it is on 指斑点 ：◆ Which has spots, a leopard or a tiger? 有斑点的是豹还是虎？
Patterns
a patch/dot/mark/spot on sthwith patches/dots/marks/spotsa blue/black/red, etc. patch/dot/mark/spot
