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1 medium
['mi:diəm] 1. plurals - media; noun1) (something by or through which an effect is produced: Air is the medium through which sound is carried.) μέσο2) ((especially in plural) a means (especially radio, television and newspapers) by which news etc is made known: the news media.) (πληθ.)μέσα μαζικής ενημέρωσης3) (a person through whom spirits of dead people are said to speak: I know a medium who says she can communicate with Napoleon.) μέντιουμ4) (a substance in which specimens are preserved, bacteria grown etc.) περιβάλλον2. adjective(middle or average in size, quality etc: Would you like the small, medium or large packet?) μέσος,μεσαίος -
2 X-rays
[eks'reiz] 1. noun plural(rays which can pass through many substances impossible for light to pass through, and which produce a picture of the object through which they have passed.) ακτίνες Χ- X-ray2. verb(to take a photograph of using X-rays: They X-rayed my arm to see if it was broken.) ακτινοσκοπώ, βγάζω ακτινογραφία -
3 channel
[' ænl] 1. noun1) (the bed of a stream or other way through which liquid can flow: a sewage channel.) αγωγός2) (a passage of deeper water in a river, through which ships can sail.) δίαυλος3) (a narrow stretch of water joining two seas: the English Channel.) πορθμός4) (a means of sending or receiving information etc: We got the information through the usual channels.) κανάλι5) ((in television, radio etc) a band of frequencies for sending or receiving signals: BBC Television now has two channels.) δίαυλος, (τηλεοπτικό) κανάλι2. verb1) (to make a channel in.) ανοίγω πέρασμα2) (to direct into a particular course: He channelled all his energies into the project.) διοχετεύω -
4 funnel
1) (a tube which is wide-mouthed at one end and narrow-mouthed at the other through which liquid can be poured into a narrow bottle etc: You will need a funnel if you are going to pour petrol into that can.) χωνί2) (a chimney on a ship etc through which smoke escapes.) φουγάρο -
5 pipe
1. noun1) (a tube, usually made of metal, earthenware etc, through which water, gas etc can flow: a water pipe; a drainpipe.) σωλήνας2) (a small tube with a bowl at one end, in which tobacco is smoked: He smokes a pipe; ( also adjective) pipe tobacco.) πίπα,τσιμπούκι3) (a musical instrument consisting of a hollow wooden, metal etc tube through which the player blows or causes air to be blown in order to make a sound: He played a tune on a bamboo pipe; an organ pipe.) αυλός2. verb1) (to convey gas, water etc by a pipe: Water is piped to the town from the reservoir.) διοχετεύω2) (to play (music) on a pipe or pipes: He piped a tune.) παίζω στη φλογέρα3) (to speak in a high voice, make a high-pitched sound: `Hallo,' the little girl piped.) μιλώ/λέω με ψιλή φωνή•- piper- pipes
- piping 3. adjective((of a sound) high-pitched: a piping voice.) στριγγός,διαπεραστικός- pipeline
- piping hot -
6 leak
[li:k] 1. noun1) (a crack or hole through which liquid or gas escapes: Water was escaping through a leak in the pipe.) σημείο διαρροής, ρωγμή, τρύπα2) (the passing of gas, water etc through a crack or hole: a gas-leak.) διαρροή, διαφυγή3) (a giving away of secret information: a leak of Government plans.) διαρροή πληροφοριών2. verb1) (to have a leak: This bucket leaks; The boiler leaked hot water all over the floor.) παρουσιάζω διαρροή, στάζω, μπάζω νερά2) (to (cause something) to pass through a leak: Gas was leaking from the cracked pipe; He was accused of leaking secrets to the enemy.) διαρρέω•- leakage- leaky -
7 tube
[tju:b]1) (a long, low cylinder-shaped object through which liquid can pass; a pipe: The water flowed through a rubber tube; a glass tube.) σωλήνας2) (an organ of this kind in animals or plants.) σωλήνας3) (an underground railway (especially in London): I go to work on the tube / by tube; ( also adjective) a tube train/station.) υπόγειος σιδηρόδρομος, μετρό4) (a container for a semi-liquid substance which is got out by squeezing: I must buy a tube of toothpaste.) σωληνάριο•- tubing- tubular -
8 filter
['filtə] 1. noun1) (a strainer or other device through which liquid, gas, smoke etc can pass, but not solid material: A filter is used to make sure that the oil is clean and does not contain any dirt; ( also adjective) filter paper.) φίλτρο2) (a kind of screening plate used to change or correct certain colours: If you are taking photographs in sun and snow, you should use a blue filter.) φίλτρο2. verb1) ((of liquids) to (become) clean by passing through a filter: The rain-water filtered into a tank.) φιλτράρω,-ομαι2) (to come bit by bit or gradually: The news filtered out.) διαρρέω• -
9 jet
I [‹et] noun, adjective((of) a hard black mineral substance, used for ornaments etc: The beads are made of jet; a jet brooch.) γαγάτηςII [‹et]1) (a sudden, strong stream or flow (of liquid, gas, flame or steam), forced through a narrow opening: Firemen have to be trained to direct the jets from their hoses accurately.) πίδακας2) (a narrow opening in an apparatus through which a jet comes: This gas jet is blocked.) ακροφύσιο3) (an aeroplane driven by jet propulsion: We flew by jet to America.) αεριωθούμενο•- jet-lag- jet-propelled
- jet propulsion -
10 letterbox
1) (a slit in a door (sometimes with a box behind it) through which mail from the post is put: He put the card through the letterbox.) ταχυδρομικό κουτί2) (a postbox.) γραμματοκιβώτιο -
11 siphon
1. noun1) (a bent pipe or tube through which liquid can be drawn off from one container to another at a lower level: He used a siphon to get some petrol out of the car's tank.) σιφόνι2) ((also soda-siphon) a glass bottle with such a tube, used for soda water.) σιφόν(ι)2. verb((with off, into etc) to draw (off) through a siphon: They siphoned the petrol into a can.) αναρροφώ,μεταγγίζω -
12 straw
[stro:]1) (( also adjective) (of) the cut stalks of corn etc, having many uses, eg as bedding for cattle etc, making mats and other goods etc: The cows need fresh straw; a straw hat.) άχυρο/αχυρένιος,ψάθινος2) (a single stalk of corn: There's a straw in your hair; Their offer isn't worth a straw!) άχυρο3) (a paper or plastic tube through which to suck a drink into the mouth: He was sipping orange juice through a straw.) καλαμάκι• -
13 telescope
['teliskəup] 1. noun(a kind of tube containing lenses through which distant objects appear closer: He looked at the ship through his telescope.) τηλεσκόπιο2. verb(to push or be pushed together so that one part slides inside another, like the parts of a closing telescope: The crash telescoped the railway coaches.) κάνω / γίνομαι φυσαρμόνικα- teletext -
14 gate
[ɡeit](a metal, wooden etc doorlike object which closes) the opening in a wall, fence etc through which people etc pass: I'll meet you at the park gate(s). πύλη, αυλόπορτα- gate-crasher
- gate-post
- gateway -
15 periscope
['periskəup](a tube containing mirrors, through which a person can look in order to see things which cannot be seen from the position the person is in, especially one used in submarines when under water to allow a person to see what is happening on the surface of the sea.) περισκόπιο -
16 wicket
['wikit]1) (a hoop through which the balls are driven in the game of croquet or at which the ball is bowled in cricket.) κάθετοι στύλοι2) (the ground between two sets of these rods: The wicket has dried out well.)3) (the ending of a batsman's period of batting: They scored fifty runs for (the loss of) one wicket.)• -
17 airtight
adjective ((of a container etc) into or through which air cannot pass: an airtight seal on a bottle.) αεροστεγής -
18 anus
['einəs](the hole in your bottom through which solid waste leaves your body.) πρωκτός -
19 aperture
['æpətjuə]1) (an opening or hole.) άνοιγμα2) ((the size of) the opening (eg in a camera) through which light passes.) άνοιγμα -
20 blood-vessel
noun (any of the tubes in the body through which the blood flows: He has burst a blood-vessel.) αιμοφόρο αγγείο
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