| 释义 |
junction
junc·tion J0081100 (jŭngk′shən)n.1. The act or process of joining or the condition of being joined.2. A place where two things join or meet, especially a place where two roads or railway routes come together and one terminates.3. A transition layer or boundary between two different materials or between physically different regions in a single material, especially:a. A connection between conductors or sections of a transmission line.b. The interface between two different semiconductor regions in a semiconductor device.c. A mechanical or alloyed contact between different metals or other materials, as in a thermocouple.
[Latin iūnctiō, iūnctiōn-, from iūnctus, past participle of iungere, to join; see yeug- in Indo-European roots.]
junc′tion·al adj.junction (ˈdʒʌŋkʃən) n1. a place where several routes, lines, or roads meet, link, or cross each other: a railway junction. 2. a point on a motorway where traffic may leave or join it3. (Electronics) electronics a. a contact between two different metals or other materials: a thermocouple junction. b. a transition region between regions of differing electrical properties in a semiconductor: a p-n junction. 4. (Electronics) a connection between two or more conductors or sections of transmission lines5. the act of joining or the state of being joined[C18: from Latin junctiō a joining, from junctus joined, from jungere to join] ˈjunctional adjjunc•tion (ˈdʒʌŋk ʃən)
n. 1. an act of joining or the state of being joined. 2. a place or point where two or more things meet, converge, or are joined. 3. a place or station where railroad lines meet, cross, or diverge. 4. an intersection of roads. 5. something that joins other things together. [1705–15; < Latin junctiō=jung(ere) to join + -tiō -tion] junc′tion•al, adj. syn: junction, juncture refer to a place, line, or point at which two or more things join. A junction is also a place where things come together: the junction of two rivers. A juncture is a line or point at which two bodies are joined, or a point of exigency or crisis in time: the juncture of the head and neck; a critical juncture in a struggle. Thesaurus| Noun | 1. |  junction - the place where two or more things come togetherinterchange - a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streamscarrefour, crossroad, crossway, intersection, crossing - a junction where one street or road crosses anotherrailway junction - a junction where two or more railway lines meet or crossT-junction - a junction where two roads or pipes etc. meet to form a Trotary, roundabout, traffic circle, circle - a road junction at which traffic streams circularly around a central island; "the accident blocked all traffic at the rotary"place, spot, topographic point - a point located with respect to surface features of some region; "this is a nice place for a picnic"; "a bright spot on a planet" | | 2. | junction - the state of being joined togethercolligation, conjugation, conjunctionanastomosis, inosculation - a natural or surgical joining of parts or branches of tubular structures so as to make or become continuoussynapse - the junction between two neurons (axon-to-dendrite) or between a neuron and a muscle; "nerve impulses cross a synapse through the action of neurotransmitters"unification, union - the state of being joined or united or linked; "there is strength in union" | | 3. |  junction - the shape or manner in which things come together and a connection is madejoin, articulation, joint, junctureesophagogastric junction, oesophagogastric junction - the junction between the esophagus and the stomach epitheliumconnexion, link, connection - a connecting shape | | 4. | junction - something that joins or connectsconjunctionconnecter, connector, connective, connection, connexion - an instrumentality that connects; "he soldered the connection"; "he didn't have the right connector between the amplifier and the speakers"tangency, contact - (electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts"joint - junction by which parts or objects are joined togetherbarrier strip, junction barrier - a junction unit for connecting 2 cables without the need for plugssplice, splicing - a junction where two things (as paper or film or magnetic tape) have been joined together; "the break was due to an imperfect splice"thermojunction - a junction between two dissimilar metals across which a voltage appears | | 5. |  junction - an act of joining or adjoining thingsadjunctionjoining, connexion, connection - the act of bringing two things into contact (especially for communication); "the joining of hands around the table"; "there was a connection via the internet" |
junctionnoun crossroads, crossing, intersection, interchange, T-junction Follow the road to a junction and turn left.junctionnoun1. The act or fact of coming together:concourse, confluence, convergence, gathering, meeting.2. A point or position at which two or more things are joined:connection, coupling, joint, juncture, seam, union.Translationsjunction (ˈdʒaŋkʃən) noun a place at which things (eg railway lines) join. a railway junction; There was an accident at the junction of Park Road and School Lane. 平交道，十字路口 交叉点，汇合处 - Turn right at the next intersection (US)
Go right at the next junction (UK) → 下一个路口转右 - Turn left at the next intersection (US)
Go left at the next junction (UK) → 下一个路口转左 - Which exit is it for ...? (US)
Which junction is it for ...? (UK) → 去...应该使用哪个路口？
junction
junction1. Electronicsa. a contact between two different metals or other materials b. a transition region between regions of differing electrical properties in a semiconductor 2. a connection between two or more conductors or sections of transmission lines junction[′jəŋk·shən] (civil engineering) A point of intersection of roads or highways, especially where one terminates. (electricity) major node (electronics) A region of transition between two different semiconducting regions in a semiconductor device, such as a pn junction, or between a metal and a semiconductor. (electromagnetism) A fitting used to join a branch waveguide at an angle to a main waveguide, as in a tee junction. Also known as waveguide junction. junctionThe point at which two elements make contact. In a transistor, a junction is the point where an N-type material makes contact with a P-type material.
See junctionjunction
junction [jungk´shun] a place of meeting or coming together. adj., adj junc´tional.atrioventricular junction in the conduction system of the heart, the junction between the atrioventricular node and the nonbranching portion of the bundle of His.cementoenamel junction the line at which the cementum covering the root of a tooth meets the enamel covering the crown.gap junction a narrowed portion of the intercellular space, containing channels linking adjacent cells and through which can pass ions, most sugars, amino acids, nucleotides, vitamins, hormones, and cyclic AMP. In electrically excitable tissues the gap junctions serve to transmit electrical impulses via ionic currents and are known as synapses" >electrotonic synapses; they are present in such tissues as myocardial tissue.myoneural junction (neuromuscular junction) the site of junction of a motor fiber" >nerve fiber and a skeletal fiber" >muscle fiber that it innervates. The discoid expansion of the terminal branch of the axon forms the motor end plate, the neurotransmitter that diffuses across the synapse is acetylcholine.sclerocorneal junction limbus (def. 2).ureteropelvic junction the area where the pelvis" >renal pelvis meets the ureter.junc·tion (jŭngk'shŭn), [TA] The point, line, or surface of union of two parts, mainly bones or cartilages. Synonym(s): juncture (2) Synonym(s): junctura (2) [TA], junctio ☆ junc·tion (jŭngk'shŭn) [TA] The point, line, or surface of union of two parts, mainly bones or cartilages.
Synonym(s): junctio. junction (junk'shun) [L. junctio, a joining] The place of union or coming together of two parts or tissue layers.amelodentinal junctionDentinoenamel junction.atrioventricular junctionThe area of cardiac conduction pathway connecting the AV node with the atrioventricular bundle.cementodentinal junctionThe interface of dentin and cementum of the tooth. Synonym: dentinocemental junctioncementoenamel junctionThe line around the tooth that marks the boundary between the crown and root of the tooth; the interface between enamel and cementum.costochondral junctionThe articulation or meeting place of the bony rib and its costal cartilage.cervicomedullary junctionThe nexus between the most superior part of the spinal cord and the medulla oblongata of the brainstem. dentinocemental junctionCementodentinal junction.dentinoenamel junctionThe plane or interface between the dentin of the tooth and the enamel crown; histological sections show it to be a scalloped boundary at the site of the basement membrane which separated the cell layers that formed the calcified enamel and dentin. Synonym: amelodentinal junctiondentogingival junctionThe interface and zone of attachment between the gingiva and enamel or cementum of the tooth. It holds in place the junctional or attachment epithelium. interneuronal junctionSynapse.liquid junctionThe point in a potentiometric reference electrode measurement system at which the reference solution makes contact with the test solution. An example is pH reference electrode. mucocutaneous junctionThe junction between the skin and a mucous membrane. mucogingival junctionA scalloped, indistinct boundary between the gingiva and the oral mucosa on the alveolar process. The coral color of gingiva may be contrasted with the more vascular oral mucosa. Also called the mucogingival line.  MYONEURAL JUNCTIONmyoneural junctionThe axon terminal of a motor neuron, synaptic cleft, and sarcolemma of a muscle cell. Synonym: neuromuscular junction See: illustrationneuromuscular junctionMyoneural junction.saphenofemoral junctionThe merging of the saphenous and femoral veins in the inguinal region.sclerocorneal junctionThe meeting point between the sclera and the cornea marked on the external surface of the eyeball by the outer scleral sulcus. SQUAMOCOLUMNAR JUNCTION: Squamocolumnar junction of the distal esophagus (seen endoscopically)squamocolumnar junction1. The point in the cervical canal at which the squamous and columnar epithelia meet. As most cervical cancers begin in this area, it is important to obtain cells from this location for the Pap test. 2. The point above the lower esophageal sphincter where the squamous epithelium of the esophagus and the columnar epithelium of the stomach meet. Synonym: transition zone. See: illustrationtight junctionA part of the junctional complex at the lateral interface between epithelial cells; also called zonula occludens. junc·tion (jŭngk'shŭn) [TA] The point, line, or surface of union of two parts, mainly bones or cartilages. See JUNCTON
See JUNCTONjunction
Synonyms for junctionnoun crossroadsSynonyms- crossroads
- crossing
- intersection
- interchange
- T-junction
Synonyms for junctionnoun the act or fact of coming togetherSynonyms- concourse
- confluence
- convergence
- gathering
- meeting
noun a point or position at which two or more things are joinedSynonyms- connection
- coupling
- joint
- juncture
- seam
- union
Synonyms for junctionnoun the place where two or more things come togetherRelated Words- interchange
- carrefour
- crossroad
- crossway
- intersection
- crossing
- railway junction
- T-junction
- rotary
- roundabout
- traffic circle
- circle
- place
- spot
- topographic point
noun the state of being joined togetherSynonyms- colligation
- conjugation
- conjunction
Related Words- anastomosis
- inosculation
- synapse
- unification
- union
noun the shape or manner in which things come together and a connection is madeSynonyms- join
- articulation
- joint
- juncture
Related Words- esophagogastric junction
- oesophagogastric junction
- connexion
- link
- connection
noun something that joins or connectsSynonymsRelated Words- connecter
- connector
- connective
- connection
- connexion
- tangency
- contact
- joint
- barrier strip
- junction barrier
- splice
- splicing
- thermojunction
noun an act of joining or adjoining thingsSynonymsRelated Words- joining
- connexion
- connection
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