Tra từ dot - Từ điển Oxford Advanced Learner 8th

dot [dot dots dotted dotting] noun, verb BrE [dɒt] NAmE [dɑːt]
noun
1. a small round mark, especially one that is printed
• There are dots above the letters i and j.
• Text and graphics are printed at 300 dots per inch.
•The helicopters appeared as two black dots on the horizon.
•The island is a small green dot on the map.
2. (computing)a symbol like a full stop/period used to separate parts of a ↑domain name, a ↑URL or an email address
more at the year dot at ↑year

Word Origin:
Old English dott ‘head of a boil’. The word is recorded only once in Old English, then not until the late 16th cent., when it is found in the sense ‘a small lump or clot’, perhaps influenced by Dutch dot ‘a knot’. The sense ‘small mark or spot’ dates from the mid 17th cent.

Synonyms:
patch
dot • mark • spot
These are all words for a small part on a surface that is a different colour from the rest.
patch • an area of sth, especially one which is different from the area around it: ▪ a white dog with a black patch on its head ◇ ▪ patches of dense fog
dot • a small round mark on sth, especially one that is printed: ▪ The letters ‘i’ and ‘j’ have dots over them. ◇ ▪ The island is a small green dot on the map.
mark • a noticeable area of colour on the body of a person or animal: ▪ The horse had a white mark on its head.
spot • a small round area that is a different colour or feels different from the surface it is on: ▪ Which has spots, a leopard or a tiger?
a patch/dot/mark/spot on sth
with patches/dots/marks/spots
a blue/black/red, etc. patch/dot/mark/spot

Example Bank:
•The graphics are printed at 500 dots per inch.
•The letters ‘i’ and ‘j’ have dots over them.
•Two helicopters appeared as black dots on the horizon.
Idioms: ↑dot your i's and cross your t's ▪ ↑on the dot

verb (-tt-)
1. ~ sth to put a dot above or next to a letter or word
•Why do you never dot your i's?
2. usually passive ~ sth to spread things or people over an area; to be spread over an area
•The countryside was dotted with small villages.
•Small villages dot the countryside.
•There are lots of Italian restaurants dotted around London.
3. to put very small amounts of sth in a number of places on a surface
•~ A on/over B Dot the cream all over your face.
•~ B with A Dot your face with the cream.
Verb forms:

Word Origin:
Old English dott ‘head of a boil’. The word is recorded only once in Old English, then not until the late 16th cent., when it is found in the sense ‘a small lump or clot’, perhaps influenced by Dutch dot ‘a knot’. The sense ‘small mark or spot’ dates from the mid 17th cent.