开区间
kāi qū jiān
Pinyin

Definition

开区间
 - 
kāi qū jiān
  1. open interval (in calculus)

Character Decomposition

Related Words (20)

之间
zhī jiān
  1. 1 between
  2. 2 among
  3. 3 inter-
人间
rén jiān
  1. 1 the human world
  2. 2 the earth
区
Ōu
  1. 1 surname Ou
夜间
yè jiān
  1. 1 nighttime
  2. 2 evening or night (e.g. classes)
市区
shì qū
  1. 1 urban district
  2. 2 downtown
  3. 3 city center
房间
fáng jiān
  1. 1 room
  2. 2 CL:間|间[jiān],個|个[gè]
打开
dǎ kāi
  1. 1 to open
  2. 2 to show (a ticket)
  3. 3 to turn on
  4. 4 to switch on
时间
shí jiān
  1. 1 time
  2. 2 period
  3. 3 CL:段[duàn]
期间
qī jiān
  1. 1 period of time
  2. 2 time
  3. 3 time period
  4. 4 period
  5. 5 CL:個|个[gè]
瞬间
shùn jiān
  1. 1 in an instant
  2. 2 in a flash
空间
kōng jiān
  1. 1 space
  2. 2 room
  3. 3 (fig.) scope
  4. 4 leeway
  5. 5 (astronomy) outer space
  6. 6 (physics, math.) space
开
kāi
  1. 1 to open
  2. 2 to start
  3. 3 to turn on
  4. 4 to boil
  5. 5 to write out (a prescription, check, invoice etc)
  6. 6 to operate (a vehicle)
  7. 7 carat (gold)
  8. 8 abbr. for Kelvin, 開爾文|开尔文[Kāi ěr wén]
  9. 9 abbr. for 開本|开本[kāi běn], book format
开启
kāi qǐ
  1. 1 to open
  2. 2 to start
  3. 3 (computing) to enable
开始
kāi shǐ
  1. 1 to begin
  2. 2 beginning
  3. 3 to start
  4. 4 initial
  5. 5 CL:個|个[gè]
开心
kāi xīn
  1. 1 to feel happy
  2. 2 to rejoice
  3. 3 to have a great time
  4. 4 to make fun of sb
开车
kāi chē
  1. 1 to drive a car
开门
kāi mén
  1. 1 to open a door (lit. and fig.)
  2. 2 to open for business
间
jiān
  1. 1 between
  2. 2 among
  3. 3 within a definite time or space
  4. 4 room
  5. 5 section of a room or lateral space between two pairs of pillars
  6. 6 classifier for rooms
离开
lí kāi
  1. 1 to depart
  2. 2 to leave
不可开交
bù kě kāi jiāo
  1. 1 to be awfully (busy etc)

Idioms (20)

一夫当关，万夫莫开
yī fū dāng guān , wàn fū mò kāi
  1. 1 one man can hold the pass against ten thousand enemies (idiom)
一把钥匙开一把锁
yī bǎ yào shi kāi yī bǎ suǒ
  1. 1 One key opens one lock.
  2. 2 There is a different solution for each problem. (idiom)
人间地狱
rén jiān dì yù
  1. 1 hell on earth (idiom); suffering the torments of Buddhist hell while still alive
  2. 2 fig. having an uncomfortable time
信口开河
xìn kǒu kāi hé
  1. 1 to speak without thinking (idiom)
  2. 2 to blurt sth out
别开生面
bié kāi shēng miàn
  1. 1 to start sth new or original (idiom); to break a new path
  2. 2 to break fresh ground
哪壶不开提哪壶
nǎ hú bù kāi tí nǎ hú
  1. 1 lit. mention the pot that doesn't boil (idiom); to touch a sore spot
  2. 2 to talk about sb's weak point
喜笑颜开
xǐ xiào yán kāi
  1. 1 grinning from ear to ear (idiom)
  2. 2 beaming with happiness
字里行间
zì lǐ háng jiān
  1. 1 between the words and the lines (idiom); implied meaning
  2. 2 connotations
左右开弓
zuǒ yòu kāi gōng
  1. 1 lit. to shoot from both sides (idiom)
  2. 2 fig. to display ambidexterity
  3. 3 to slap with one hand and then the other, in quick succession
  4. 4 to use both feet equally (football)
广开言路
guǎng kāi yán lù
  1. 1 to encourage the free airing of views (idiom)
弹指一挥间
tán zhǐ yī huī jiān
  1. 1 in a flash (idiom)
弹指之间
tán zhǐ zhī jiān
  1. 1 a snap of the fingers (idiom); in an instant
  2. 2 in a short moment
  3. 3 in a flash
  4. 4 in the twinkling of an eye
情窦初开
qíng dòu chū kāi
  1. 1 first awakening of love (usually of a girl) (idiom)
挑拨离间
tiǎo bō lí jiàn
  1. 1 to sow dissension (idiom); to drive a wedge between
撇开不谈
piē kāi bù tán
  1. 1 to ignore an issue (idiom)
放开手脚
fàng kāi shǒu jiǎo
  1. 1 to have free rein (idiom)
旗开得胜
qí kāi dé shèng
  1. 1 lit. to win a victory on raising the flag (idiom); fig. to start on sth and have immediate success
  2. 2 success in a single move
树上开花
shù shàng kāi huā
  1. 1 to deck the tree with false blossoms
  2. 2 to make something of no value appear valuable (idiom)
死猪不怕开水烫
sǐ zhū bù pà kāi shuǐ tàng
  1. 1 lit. a dead pig doesn't fear scalding water (idiom)
  2. 2 fig. to be unaffected (by sth)
  3. 3 undaunted
狗窦大开
gǒu dòu dà kāi
  1. 1 dog hole wide open (idiom); fig. gap caused by missing teeth (used mockingly)

Sample Sentences